81255360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1597}}^1$

素因数の和:1670

約数の個数: 112

約数和(自身を含む): 263018016

約数和(自身を除く): 181762656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 159, 160, 192, 212, 240, 265, 318, 320, 424, 480, 530, 636, 795, 848, 960, 1060, 1272, 1590, 1597, 1696, 2120, 2544, 3180, 3194, 3392, 4240, 4791, 5088, 6360, 6388, 7985, 8480, 9582, 10176, 12720, 12776, 15970, 16960, 19164, 23955, 25440, 25552, 31940, 38328, 47910, 50880, 51104, 63880, 76656, 84641, 95820, 102208, 127760, 153312, 169282, 191640, 253923, 255520, 306624, 338564, 383280, 423205, 507846, 511040, 677128, 766560, 846410, 1015692, 1269615, 1354256, 1533120, 1692820, 2031384, 2539230, 2708512, 3385640, 4062768, 5078460, 5417024, 6771280, 8125536, 10156920, 13542560, 16251072, 20313840, 27085120, 40627680, 81255360]

約数ペア:

[(1, 81255360), (2, 40627680), (3, 27085120), (4, 20313840), (5, 16251072), (6, 13542560), (8, 10156920), (10, 8125536), (12, 6771280), (15, 5417024), (16, 5078460), (20, 4062768), (24, 3385640), (30, 2708512), (32, 2539230), (40, 2031384), (48, 1692820), (53, 1533120), (60, 1354256), (64, 1269615), (80, 1015692), (96, 846410), (106, 766560), (120, 677128), (159, 511040), (160, 507846), (192, 423205), (212, 383280), (240, 338564), (265, 306624), (318, 255520), (320, 253923), (424, 191640), (480, 169282), (530, 153312), (636, 127760), (795, 102208), (848, 95820), (960, 84641), (1060, 76656), (1272, 63880), (1590, 51104), (1597, 50880), (1696, 47910), (2120, 38328), (2544, 31940), (3180, 25552), (3194, 25440), (3392, 23955), (4240, 19164), (4791, 16960), (5088, 15970), (6360, 12776), (6388, 12720), (7985, 10176), (8480, 9582)]