80557680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47951}}^1$

素因数の和:47974

約数の個数: 80

約数和(自身を含む): 285410304

約数和(自身を除く): 204852624

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, 47951, 95902, 143853, 191804, 239755, 287706, 335657, 383608, 479510, 575412, 671314, 719265, 767216, 959020, 1006971, 1150824, 1342628, 1438530, 1678285, 1918040, 2013942, 2301648, 2685256, 2877060, 3356570, 3836080, 4027884, 5034855, 5370512, 5754120, 6713140, 8055768, 10069710, 11508240, 13426280, 16111536, 20139420, 26852560, 40278840, 80557680]

約数ペア:

[(1, 80557680), (2, 40278840), (3, 26852560), (4, 20139420), (5, 16111536), (6, 13426280), (7, 11508240), (8, 10069710), (10, 8055768), (12, 6713140), (14, 5754120), (15, 5370512), (16, 5034855), (20, 4027884), (21, 3836080), (24, 3356570), (28, 2877060), (30, 2685256), (35, 2301648), (40, 2013942), (42, 1918040), (48, 1678285), (56, 1438530), (60, 1342628), (70, 1150824), (80, 1006971), (84, 959020), (105, 767216), (112, 719265), (120, 671314), (140, 575412), (168, 479510), (210, 383608), (240, 335657), (280, 287706), (336, 239755), (420, 191804), (560, 143853), (840, 95902), (1680, 47951)]