1290117024640

素因数分解:

$2^7\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3058889}}^1$

素因数の和:3059567

約数の個数: 64

約数和(自身を含む): 3088867122000

約数和(自身を除く): 1798750097360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 659, 1318, 2636, 3295, 5272, 6590, 10544, 13180, 21088, 26360, 42176, 52720, 84352, 105440, 210880, 421760, 3058889, 6117778, 12235556, 15294445, 24471112, 30588890, 48942224, 61177780, 97884448, 122355560, 195768896, 244711120, 391537792, 489422240, 978844480, 1957688960, 2015807851, 4031615702, 8063231404, 10079039255, 16126462808, 20158078510, 32252925616, 40316157020, 64505851232, 80632314040, 129011702464, 161264628080, 258023404928, 322529256160, 645058512320, 1290117024640]

約数ペア:

[(1, 1290117024640), (2, 645058512320), (4, 322529256160), (5, 258023404928), (8, 161264628080), (10, 129011702464), (16, 80632314040), (20, 64505851232), (32, 40316157020), (40, 32252925616), (64, 20158078510), (80, 16126462808), (128, 10079039255), (160, 8063231404), (320, 4031615702), (640, 2015807851), (659, 1957688960), (1318, 978844480), (2636, 489422240), (3295, 391537792), (5272, 244711120), (6590, 195768896), (10544, 122355560), (13180, 97884448), (21088, 61177780), (26360, 48942224), (42176, 30588890), (52720, 24471112), (84352, 15294445), (105440, 12235556), (210880, 6117778), (421760, 3058889)]