80896020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25439}}^1$

素因数の和:25504

約数の個数: 48

約数和(自身を含む): 230791680

約数和(自身を除く): 149895660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 25439, 50878, 76317, 101756, 127195, 152634, 254390, 305268, 381585, 508780, 763170, 1348267, 1526340, 2696534, 4044801, 5393068, 6741335, 8089602, 13482670, 16179204, 20224005, 26965340, 40448010, 80896020]

約数ペア:

[(1, 80896020), (2, 40448010), (3, 26965340), (4, 20224005), (5, 16179204), (6, 13482670), (10, 8089602), (12, 6741335), (15, 5393068), (20, 4044801), (30, 2696534), (53, 1526340), (60, 1348267), (106, 763170), (159, 508780), (212, 381585), (265, 305268), (318, 254390), (530, 152634), (636, 127195), (795, 101756), (1060, 76317), (1590, 50878), (3180, 25439)]