15707848180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{30859}}^1$

素因数の和:31720

約数の個数: 48

約数和(自身を含む): 34093140480

約数和(自身を除く): 18385292300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 821, 1642, 3284, 4105, 8210, 16420, 25451, 30859, 50902, 61718, 101804, 123436, 127255, 154295, 254510, 308590, 509020, 617180, 956629, 1913258, 3826516, 4783145, 9566290, 19132580, 25335239, 50670478, 101340956, 126676195, 253352390, 506704780, 785392409, 1570784818, 3141569636, 3926962045, 7853924090, 15707848180]

約数ペア:

[(1, 15707848180), (2, 7853924090), (4, 3926962045), (5, 3141569636), (10, 1570784818), (20, 785392409), (31, 506704780), (62, 253352390), (124, 126676195), (155, 101340956), (310, 50670478), (620, 25335239), (821, 19132580), (1642, 9566290), (3284, 4783145), (4105, 3826516), (8210, 1913258), (16420, 956629), (25451, 617180), (30859, 509020), (50902, 308590), (61718, 254510), (101804, 154295), (123436, 127255)]