66891630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171517}}^1$

素因数の和:171540

約数の個数: 32

約数和(自身を含む): 172890144

約数和(自身を除く): 105998514

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 171517, 343034, 514551, 857585, 1029102, 1715170, 2229721, 2572755, 4459442, 5145510, 6689163, 11148605, 13378326, 22297210, 33445815, 66891630]

約数ペア:

[(1, 66891630), (2, 33445815), (3, 22297210), (5, 13378326), (6, 11148605), (10, 6689163), (13, 5145510), (15, 4459442), (26, 2572755), (30, 2229721), (39, 1715170), (65, 1029102), (78, 857585), (130, 514551), (195, 343034), (390, 171517)]