158605640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 374425200

約数和(自身を除く): 215819560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 1160, 1460, 1873, 2117, 2920, 3746, 4234, 7492, 8468, 9365, 10585, 14984, 16936, 18730, 21170, 37460, 42340, 54317, 74920, 84680, 108634, 136729, 217268, 271585, 273458, 434536, 543170, 546916, 683645, 1086340, 1093832, 1367290, 2172680, 2734580, 3965141, 5469160, 7930282, 15860564, 19825705, 31721128, 39651410, 79302820, 158605640]

約数ペア:

[(1, 158605640), (2, 79302820), (4, 39651410), (5, 31721128), (8, 19825705), (10, 15860564), (20, 7930282), (29, 5469160), (40, 3965141), (58, 2734580), (73, 2172680), (116, 1367290), (145, 1093832), (146, 1086340), (232, 683645), (290, 546916), (292, 543170), (365, 434536), (580, 273458), (584, 271585), (730, 217268), (1160, 136729), (1460, 108634), (1873, 84680), (2117, 74920), (2920, 54317), (3746, 42340), (4234, 37460), (7492, 21170), (8468, 18730), (9365, 16936), (10585, 14984)]