16:9 の比率で端数の出ないきれいに割り切れる数字を知りたかったので調べた結果のメモ。
グリッドの参考に。

width: 300, height: 168.75
width: 299, height: 168.1875
width: 298, height: 167.625
width: 297, height: 167.0625
width: 296, height: 166.5
width: 295, height: 165.9375
width: 294, height: 165.375
width: 293, height: 164.8125
width: 292, height: 164.25
width: 291, height: 163.6875
width: 290, height: 163.125
width: 289, height: 162.5625
width: 288, height: 162
width: 287, height: 161.4375
width: 286, height: 160.875
width: 285, height: 160.3125
width: 284, height: 159.75
width: 283, height: 159.1875
width: 282, height: 158.625
width: 281, height: 158.0625
width: 280, height: 157.5
width: 279, height: 156.9375
width: 278, height: 156.375
width: 277, height: 155.8125
width: 276, height: 155.25
width: 275, height: 154.6875
width: 274, height: 154.125
width: 273, height: 153.5625
width: 272, height: 153
width: 271, height: 152.4375
width: 270, height: 151.875
width: 269, height: 151.3125
width: 268, height: 150.75
width: 267, height: 150.1875
width: 266, height: 149.625
width: 265, height: 149.0625
width: 264, height: 148.5
width: 263, height: 147.9375
width: 262, height: 147.375
width: 261, height: 146.8125
width: 260, height: 146.25
width: 259, height: 145.6875
width: 258, height: 145.125
width: 257, height: 144.5625
width: 256, height: 144
width: 255, height: 143.4375
width: 254, height: 142.875
width: 253, height: 142.3125
width: 252, height: 141.75
width: 251, height: 141.1875
width: 250, height: 140.625
width: 249, height: 140.0625
width: 248, height: 139.5
width: 247, height: 138.9375
width: 246, height: 138.375
width: 245, height: 137.8125
width: 244, height: 137.25
width: 243, height: 136.6875
width: 242, height: 136.125
width: 241, height: 135.5625
width: 240, height: 135
width: 239, height: 134.4375
width: 238, height: 133.875
width: 237, height: 133.3125
width: 236, height: 132.75
width: 235, height: 132.1875
width: 234, height: 131.625
width: 233, height: 131.0625
width: 232, height: 130.5
width: 231, height: 129.9375
width: 230, height: 129.375
width: 229, height: 128.8125
width: 228, height: 128.25
width: 227, height: 127.6875
width: 226, height: 127.125
width: 225, height: 126.5625
width: 224, height: 126
width: 223, height: 125.4375
width: 222, height: 124.875
width: 221, height: 124.3125
width: 220, height: 123.75
width: 219, height: 123.1875
width: 218, height: 122.625
width: 217, height: 122.0625
width: 216, height: 121.5
width: 215, height: 120.9375
width: 214, height: 120.375
width: 213, height: 119.8125
width: 212, height: 119.25
width: 211, height: 118.6875
width: 210, height: 118.125
width: 209, height: 117.5625
width: 208, height: 117
width: 207, height: 116.4375
width: 206, height: 115.875
width: 205, height: 115.3125
width: 204, height: 114.75
width: 203, height: 114.1875
width: 202, height: 113.625
width: 201, height: 113.0625
width: 200, height: 112.5
width: 199, height: 111.9375
width: 198, height: 111.375
width: 197, height: 110.8125
width: 196, height: 110.25
width: 195, height: 109.6875
width: 194, height: 109.125
width: 193, height: 108.5625
width: 192, height: 108
width: 191, height: 107.4375
width: 190, height: 106.875
width: 189, height: 106.3125
width: 188, height: 105.75
width: 187, height: 105.1875
width: 186, height: 104.625
width: 185, height: 104.0625
width: 184, height: 103.5
width: 183, height: 102.9375
width: 182, height: 102.375
width: 181, height: 101.8125
width: 180, height: 101.25
width: 179, height: 100.6875
width: 178, height: 100.125
width: 177, height: 99.5625
width: 176, height: 99
width: 175, height: 98.4375
width: 174, height: 97.875
width: 173, height: 97.3125
width: 172, height: 96.75
width: 171, height: 96.1875
width: 170, height: 95.625
width: 169, height: 95.0625
width: 168, height: 94.5
width: 167, height: 93.9375
width: 166, height: 93.375
width: 165, height: 92.8125
width: 164, height: 92.25
width: 163, height: 91.6875
width: 162, height: 91.125
width: 161, height: 90.5625
width: 160, height: 90
width: 159, height: 89.4375
width: 158, height: 88.875
width: 157, height: 88.3125
width: 156, height: 87.75
width: 155, height: 87.1875
width: 154, height: 86.625
width: 153, height: 86.0625
width: 152, height: 85.5
width: 151, height: 84.9375
width: 150, height: 84.375
width: 149, height: 83.8125
width: 148, height: 83.25
width: 147, height: 82.6875
width: 146, height: 82.125
width: 145, height: 81.5625
width: 144, height: 81
width: 143, height: 80.4375
width: 142, height: 79.875
width: 141, height: 79.3125
width: 140, height: 78.75
width: 139, height: 78.1875
width: 138, height: 77.625
width: 137, height: 77.0625
width: 136, height: 76.5
width: 135, height: 75.9375
width: 134, height: 75.375
width: 133, height: 74.8125
width: 132, height: 74.25
width: 131, height: 73.6875
width: 130, height: 73.125
width: 129, height: 72.5625
width: 128, height: 72
width: 127, height: 71.4375
width: 126, height: 70.875
width: 125, height: 70.3125
width: 124, height: 69.75
width: 123, height: 69.1875
width: 122, height: 68.625
width: 121, height: 68.0625
width: 120, height: 67.5
width: 119, height: 66.9375
width: 118, height: 66.375
width: 117, height: 65.8125
width: 116, height: 65.25
width: 115, height: 64.6875
width: 114, height: 64.125
width: 113, height: 63.5625
width: 112, height: 63
width: 111, height: 62.4375
width: 110, height: 61.875
width: 109, height: 61.3125
width: 108, height: 60.75
width: 107, height: 60.1875
width: 106, height: 59.625
width: 105, height: 59.0625
width: 104, height: 58.5
width: 103, height: 57.9375
width: 102, height: 57.375
width: 101, height: 56.8125

めんどうだから適当に出力したけど、16 と 9 を足していけばいいだけだった…
無念