15666588940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{38299}}^1$

素因数の和:38602

約数の個数: 48

約数和(自身を含む): 33375232800

約数和(自身を除く): 17708643860

約数列:

[1, 2, 4, 5, 10, 20, 113, 181, 226, 362, 452, 565, 724, 905, 1130, 1810, 2260, 3620, 20453, 38299, 40906, 76598, 81812, 102265, 153196, 191495, 204530, 382990, 409060, 765980, 4327787, 6932119, 8655574, 13864238, 17311148, 21638935, 27728476, 34660595, 43277870, 69321190, 86555740, 138642380, 783329447, 1566658894, 3133317788, 3916647235, 7833294470, 15666588940]

約数ペア:

[(1, 15666588940), (2, 7833294470), (4, 3916647235), (5, 3133317788), (10, 1566658894), (20, 783329447), (113, 138642380), (181, 86555740), (226, 69321190), (362, 43277870), (452, 34660595), (565, 27728476), (724, 21638935), (905, 17311148), (1130, 13864238), (1810, 8655574), (2260, 6932119), (3620, 4327787), (20453, 765980), (38299, 409060), (40906, 382990), (76598, 204530), (81812, 191495), (102265, 153196)]