155511280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 379975680

約数和(自身を除く): 224464400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 223, 230, 368, 379, 446, 460, 758, 892, 920, 1115, 1516, 1784, 1840, 1895, 2230, 3032, 3568, 3790, 4460, 5129, 6064, 7580, 8717, 8920, 10258, 15160, 17434, 17840, 20516, 25645, 30320, 34868, 41032, 43585, 51290, 69736, 82064, 84517, 87170, 102580, 139472, 169034, 174340, 205160, 338068, 348680, 410320, 422585, 676136, 697360, 845170, 1352272, 1690340, 1943891, 3380680, 3887782, 6761360, 7775564, 9719455, 15551128, 19438910, 31102256, 38877820, 77755640, 155511280]

約数ペア:

[(1, 155511280), (2, 77755640), (4, 38877820), (5, 31102256), (8, 19438910), (10, 15551128), (16, 9719455), (20, 7775564), (23, 6761360), (40, 3887782), (46, 3380680), (80, 1943891), (92, 1690340), (115, 1352272), (184, 845170), (223, 697360), (230, 676136), (368, 422585), (379, 410320), (446, 348680), (460, 338068), (758, 205160), (892, 174340), (920, 169034), (1115, 139472), (1516, 102580), (1784, 87170), (1840, 84517), (1895, 82064), (2230, 69736), (3032, 51290), (3568, 43585), (3790, 41032), (4460, 34868), (5129, 30320), (6064, 25645), (7580, 20516), (8717, 17840), (8920, 17434), (10258, 15160)]