1260839120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1171}}^1$

素因数の和:1540

約数の個数: 80

約数和(自身を含む): 3011777472

約数和(自身を除く): 1750938352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 313, 344, 430, 626, 688, 860, 1171, 1252, 1565, 1720, 2342, 2504, 3130, 3440, 4684, 5008, 5855, 6260, 9368, 11710, 12520, 13459, 18736, 23420, 25040, 26918, 46840, 50353, 53836, 67295, 93680, 100706, 107672, 134590, 201412, 215344, 251765, 269180, 366523, 402824, 503530, 538360, 733046, 805648, 1007060, 1076720, 1466092, 1832615, 2014120, 2932184, 3665230, 4028240, 5864368, 7330460, 14660920, 15760489, 29321840, 31520978, 63041956, 78802445, 126083912, 157604890, 252167824, 315209780, 630419560, 1260839120]

約数ペア:

[(1, 1260839120), (2, 630419560), (4, 315209780), (5, 252167824), (8, 157604890), (10, 126083912), (16, 78802445), (20, 63041956), (40, 31520978), (43, 29321840), (80, 15760489), (86, 14660920), (172, 7330460), (215, 5864368), (313, 4028240), (344, 3665230), (430, 2932184), (626, 2014120), (688, 1832615), (860, 1466092), (1171, 1076720), (1252, 1007060), (1565, 805648), (1720, 733046), (2342, 538360), (2504, 503530), (3130, 402824), (3440, 366523), (4684, 269180), (5008, 251765), (5855, 215344), (6260, 201412), (9368, 134590), (11710, 107672), (12520, 100706), (13459, 93680), (18736, 67295), (23420, 53836), (25040, 50353), (26918, 46840)]