78897261680

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1009}}^1\times {\mathrm{1549}}^1$

素因数の和:3202

約数の個数: 80

約数和(自身を含む): 184027656000

約数和(自身を除く): 105130394320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1009, 1262, 1549, 2018, 2524, 3098, 3155, 4036, 5045, 5048, 6196, 6310, 7745, 8072, 10090, 10096, 12392, 12620, 15490, 16144, 20180, 24784, 25240, 30980, 40360, 50480, 61960, 80720, 123920, 636679, 977419, 1273358, 1562941, 1954838, 2546716, 3125882, 3183395, 3909676, 4887095, 5093432, 6251764, 6366790, 7814705, 7819352, 9774190, 10186864, 12503528, 12733580, 15629410, 15638704, 19548380, 25007056, 25467160, 31258820, 39096760, 50934320, 62517640, 78193520, 125035280, 986215771, 1972431542, 3944863084, 4931078855, 7889726168, 9862157710, 15779452336, 19724315420, 39448630840, 78897261680]

約数ペア:

[(1, 78897261680), (2, 39448630840), (4, 19724315420), (5, 15779452336), (8, 9862157710), (10, 7889726168), (16, 4931078855), (20, 3944863084), (40, 1972431542), (80, 986215771), (631, 125035280), (1009, 78193520), (1262, 62517640), (1549, 50934320), (2018, 39096760), (2524, 31258820), (3098, 25467160), (3155, 25007056), (4036, 19548380), (5045, 15638704), (5048, 15629410), (6196, 12733580), (6310, 12503528), (7745, 10186864), (8072, 9774190), (10090, 7819352), (10096, 7814705), (12392, 6366790), (12620, 6251764), (15490, 5093432), (16144, 4887095), (20180, 3909676), (24784, 3183395), (25240, 3125882), (30980, 2546716), (40360, 1954838), (50480, 1562941), (61960, 1273358), (80720, 977419), (123920, 636679)]