15691481380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{24611}}^1$

素因数の和:25140

約数の個数: 48

約数和(自身を含む): 33492009600

約数和(自身を除く): 17800528220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 449, 710, 898, 1420, 1796, 2245, 4490, 8980, 24611, 31879, 49222, 63758, 98444, 123055, 127516, 159395, 246110, 318790, 492220, 637580, 1747381, 3494762, 6989524, 8736905, 11050339, 17473810, 22100678, 34947620, 44201356, 55251695, 110503390, 221006780, 784574069, 1569148138, 3138296276, 3922870345, 7845740690, 15691481380]

約数ペア:

[(1, 15691481380), (2, 7845740690), (4, 3922870345), (5, 3138296276), (10, 1569148138), (20, 784574069), (71, 221006780), (142, 110503390), (284, 55251695), (355, 44201356), (449, 34947620), (710, 22100678), (898, 17473810), (1420, 11050339), (1796, 8736905), (2245, 6989524), (4490, 3494762), (8980, 1747381), (24611, 637580), (31879, 492220), (49222, 318790), (63758, 246110), (98444, 159395), (123055, 127516)]