72481420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 170395344

約数和(自身を除く): 97913924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 491, 605, 610, 671, 982, 1210, 1220, 1342, 1964, 2420, 2455, 2684, 3355, 4910, 5401, 6710, 7381, 9820, 10802, 13420, 14762, 21604, 27005, 29524, 29951, 36905, 54010, 59411, 59902, 73810, 108020, 118822, 119804, 147620, 149755, 237644, 297055, 299510, 329461, 594110, 599020, 658922, 1188220, 1317844, 1647305, 3294610, 3624071, 6589220, 7248142, 14496284, 18120355, 36240710, 72481420]

約数ペア:

[(1, 72481420), (2, 36240710), (4, 18120355), (5, 14496284), (10, 7248142), (11, 6589220), (20, 3624071), (22, 3294610), (44, 1647305), (55, 1317844), (61, 1188220), (110, 658922), (121, 599020), (122, 594110), (220, 329461), (242, 299510), (244, 297055), (305, 237644), (484, 149755), (491, 147620), (605, 119804), (610, 118822), (671, 108020), (982, 73810), (1210, 59902), (1220, 59411), (1342, 54010), (1964, 36905), (2420, 29951), (2455, 29524), (2684, 27005), (3355, 21604), (4910, 14762), (5401, 13420), (6710, 10802), (7381, 9820)]