122905640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21487}}^1$

素因数の和:21522

約数の個数: 64

約数和(自身を含む): 324898560

約数和(自身を除く): 201992920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 21487, 42974, 85948, 107435, 171896, 214870, 236357, 279331, 429740, 472714, 558662, 859480, 945428, 1117324, 1181785, 1396655, 1890856, 2234648, 2363570, 2793310, 3072641, 4727140, 5586620, 6145282, 9454280, 11173240, 12290564, 15363205, 24581128, 30726410, 61452820, 122905640]

約数ペア:

[(1, 122905640), (2, 61452820), (4, 30726410), (5, 24581128), (8, 15363205), (10, 12290564), (11, 11173240), (13, 9454280), (20, 6145282), (22, 5586620), (26, 4727140), (40, 3072641), (44, 2793310), (52, 2363570), (55, 2234648), (65, 1890856), (88, 1396655), (104, 1181785), (110, 1117324), (130, 945428), (143, 859480), (220, 558662), (260, 472714), (286, 429740), (440, 279331), (520, 236357), (572, 214870), (715, 171896), (1144, 107435), (1430, 85948), (2860, 42974), (5720, 21487)]