1572147841240

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5861}}^1\times {\mathrm{17239}}^1$

素因数の和:23500

約数の個数: 64

約数和(自身を含む): 3547236888000

約数和(自身を除く): 1975089046760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 5861, 7780, 11722, 15560, 17239, 23444, 29305, 34478, 46888, 58610, 68956, 86195, 117220, 137912, 172390, 234440, 344780, 689560, 2279929, 4559858, 6705971, 9119716, 11399645, 13411942, 18239432, 22799290, 26823884, 33529855, 45598580, 53647768, 67059710, 91197160, 101037779, 134119420, 202075558, 268238840, 404151116, 505188895, 808302232, 1010377790, 2020755580, 4041511160, 39303696031, 78607392062, 157214784124, 196518480155, 314429568248, 393036960310, 786073920620, 1572147841240]

約数ペア:

[(1, 1572147841240), (2, 786073920620), (4, 393036960310), (5, 314429568248), (8, 196518480155), (10, 157214784124), (20, 78607392062), (40, 39303696031), (389, 4041511160), (778, 2020755580), (1556, 1010377790), (1945, 808302232), (3112, 505188895), (3890, 404151116), (5861, 268238840), (7780, 202075558), (11722, 134119420), (15560, 101037779), (17239, 91197160), (23444, 67059710), (29305, 53647768), (34478, 45598580), (46888, 33529855), (58610, 26823884), (68956, 22799290), (86195, 18239432), (117220, 13411942), (137912, 11399645), (172390, 9119716), (234440, 6705971), (344780, 4559858), (689560, 2279929)]