15721289980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{632393}}^1$

素因数の和:632526

約数の個数: 48

約数和(自身を含む): 36334829664

約数和(自身を除く): 20613539684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 12430, 24860, 632393, 1264786, 2529572, 3161965, 6323930, 6956323, 12647860, 13912646, 27825292, 34781615, 69563230, 71460409, 139126460, 142920818, 285841636, 357302045, 714604090, 786064499, 1429208180, 1572128998, 3144257996, 3930322495, 7860644990, 15721289980]

約数ペア:

[(1, 15721289980), (2, 7860644990), (4, 3930322495), (5, 3144257996), (10, 1572128998), (11, 1429208180), (20, 786064499), (22, 714604090), (44, 357302045), (55, 285841636), (110, 142920818), (113, 139126460), (220, 71460409), (226, 69563230), (452, 34781615), (565, 27825292), (1130, 13912646), (1243, 12647860), (2260, 6956323), (2486, 6323930), (4972, 3161965), (6215, 2529572), (12430, 1264786), (24860, 632393)]