199614720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 643124160

約数和(自身を除く): 443509440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 227, 229, 240, 256, 320, 384, 454, 458, 480, 640, 681, 687, 768, 908, 916, 960, 1135, 1145, 1280, 1362, 1374, 1816, 1832, 1920, 2270, 2290, 2724, 2748, 3405, 3435, 3632, 3664, 3840, 4540, 4580, 5448, 5496, 6810, 6870, 7264, 7328, 9080, 9160, 10896, 10992, 13620, 13740, 14528, 14656, 18160, 18320, 21792, 21984, 27240, 27480, 29056, 29312, 36320, 36640, 43584, 43968, 51983, 54480, 54960, 58112, 58624, 72640, 73280, 87168, 87936, 103966, 108960, 109920, 145280, 146560, 155949, 174336, 175872, 207932, 217920, 219840, 259915, 290560, 293120, 311898, 415864, 435840, 439680, 519830, 623796, 779745, 831728, 871680, 879360, 1039660, 1247592, 1559490, 1663456, 2079320, 2495184, 3118980, 3326912, 4158640, 4990368, 6237960, 6653824, 8317280, 9980736, 12475920, 13307648, 16634560, 19961472, 24951840, 33269120, 39922944, 49903680, 66538240, 99807360, 199614720]

約数ペア:

[(1, 199614720), (2, 99807360), (3, 66538240), (4, 49903680), (5, 39922944), (6, 33269120), (8, 24951840), (10, 19961472), (12, 16634560), (15, 13307648), (16, 12475920), (20, 9980736), (24, 8317280), (30, 6653824), (32, 6237960), (40, 4990368), (48, 4158640), (60, 3326912), (64, 3118980), (80, 2495184), (96, 2079320), (120, 1663456), (128, 1559490), (160, 1247592), (192, 1039660), (227, 879360), (229, 871680), (240, 831728), (256, 779745), (320, 623796), (384, 519830), (454, 439680), (458, 435840), (480, 415864), (640, 311898), (681, 293120), (687, 290560), (768, 259915), (908, 219840), (916, 217920), (960, 207932), (1135, 175872), (1145, 174336), (1280, 155949), (1362, 146560), (1374, 145280), (1816, 109920), (1832, 108960), (1920, 103966), (2270, 87936), (2290, 87168), (2724, 73280), (2748, 72640), (3405, 58624), (3435, 58112), (3632, 54960), (3664, 54480), (3840, 51983), (4540, 43968), (4580, 43584), (5448, 36640), (5496, 36320), (6810, 29312), (6870, 29056), (7264, 27480), (7328, 27240), (9080, 21984), (9160, 21792), (10896, 18320), (10992, 18160), (13620, 14656), (13740, 14528)]