68706960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40897}}^1$

素因数の和:40920

約数の個数: 80

約数和(自身を含む): 243424896

約数和(自身を除く): 174717936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40897, 81794, 122691, 163588, 204485, 245382, 286279, 327176, 408970, 490764, 572558, 613455, 654352, 817940, 858837, 981528, 1145116, 1226910, 1431395, 1635880, 1717674, 1963056, 2290232, 2453820, 2862790, 3271760, 3435348, 4294185, 4580464, 4907640, 5725580, 6870696, 8588370, 9815280, 11451160, 13741392, 17176740, 22902320, 34353480, 68706960]

約数ペア:

[(1, 68706960), (2, 34353480), (3, 22902320), (4, 17176740), (5, 13741392), (6, 11451160), (7, 9815280), (8, 8588370), (10, 6870696), (12, 5725580), (14, 4907640), (15, 4580464), (16, 4294185), (20, 3435348), (21, 3271760), (24, 2862790), (28, 2453820), (30, 2290232), (35, 1963056), (40, 1717674), (42, 1635880), (48, 1431395), (56, 1226910), (60, 1145116), (70, 981528), (80, 858837), (84, 817940), (105, 654352), (112, 613455), (120, 572558), (140, 490764), (168, 408970), (210, 327176), (240, 286279), (280, 245382), (336, 204485), (420, 163588), (560, 122691), (840, 81794), (1680, 40897)]