1520795961460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1\times {\mathrm{348217}}^1$

素因数の和:349936

約数の個数: 48

約数和(自身を含む): 3218704332480

約数和(自身を除く): 1697908371020

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1571, 2780, 3142, 6284, 7855, 15710, 31420, 218369, 348217, 436738, 696434, 873476, 1091845, 1392868, 1741085, 2183690, 3482170, 4367380, 6964340, 48402163, 96804326, 193608652, 242010815, 484021630, 547048907, 968043260, 1094097814, 2188195628, 2735244535, 5470489070, 10940978140, 76039798073, 152079596146, 304159192292, 380198990365, 760397980730, 1520795961460]

約数ペア:

[(1, 1520795961460), (2, 760397980730), (4, 380198990365), (5, 304159192292), (10, 152079596146), (20, 76039798073), (139, 10940978140), (278, 5470489070), (556, 2735244535), (695, 2188195628), (1390, 1094097814), (1571, 968043260), (2780, 547048907), (3142, 484021630), (6284, 242010815), (7855, 193608652), (15710, 96804326), (31420, 48402163), (218369, 6964340), (348217, 4367380), (436738, 3482170), (696434, 2183690), (873476, 1741085), (1091845, 1392868)]