72101920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 188770176

約数和(自身を除く): 116668256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 160, 176, 220, 284, 352, 355, 440, 568, 577, 710, 781, 880, 1136, 1154, 1420, 1562, 1760, 2272, 2308, 2840, 2885, 3124, 3905, 4616, 5680, 5770, 6248, 6347, 7810, 9232, 11360, 11540, 12496, 12694, 15620, 18464, 23080, 24992, 25388, 31240, 31735, 40967, 46160, 50776, 62480, 63470, 81934, 92320, 101552, 124960, 126940, 163868, 203104, 204835, 253880, 327736, 409670, 450637, 507760, 655472, 819340, 901274, 1015520, 1310944, 1638680, 1802548, 2253185, 3277360, 3605096, 4506370, 6554720, 7210192, 9012740, 14420384, 18025480, 36050960, 72101920]

約数ペア:

[(1, 72101920), (2, 36050960), (4, 18025480), (5, 14420384), (8, 9012740), (10, 7210192), (11, 6554720), (16, 4506370), (20, 3605096), (22, 3277360), (32, 2253185), (40, 1802548), (44, 1638680), (55, 1310944), (71, 1015520), (80, 901274), (88, 819340), (110, 655472), (142, 507760), (160, 450637), (176, 409670), (220, 327736), (284, 253880), (352, 204835), (355, 203104), (440, 163868), (568, 126940), (577, 124960), (710, 101552), (781, 92320), (880, 81934), (1136, 63470), (1154, 62480), (1420, 50776), (1562, 46160), (1760, 40967), (2272, 31735), (2308, 31240), (2840, 25388), (2885, 24992), (3124, 23080), (3905, 18464), (4616, 15620), (5680, 12694), (5770, 12496), (6248, 11540), (6347, 11360), (7810, 9232)]