39306420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 120163680

約数和(自身を除く): 80857260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1571, 1668, 2085, 2502, 2780, 3142, 4170, 4713, 5004, 6255, 6284, 7855, 8340, 9426, 12510, 14139, 15710, 18852, 23565, 25020, 28278, 31420, 47130, 56556, 70695, 94260, 141390, 218369, 282780, 436738, 655107, 873476, 1091845, 1310214, 1965321, 2183690, 2620428, 3275535, 3930642, 4367380, 6551070, 7861284, 9826605, 13102140, 19653210, 39306420]

約数ペア:

[(1, 39306420), (2, 19653210), (3, 13102140), (4, 9826605), (5, 7861284), (6, 6551070), (9, 4367380), (10, 3930642), (12, 3275535), (15, 2620428), (18, 2183690), (20, 1965321), (30, 1310214), (36, 1091845), (45, 873476), (60, 655107), (90, 436738), (139, 282780), (180, 218369), (278, 141390), (417, 94260), (556, 70695), (695, 56556), (834, 47130), (1251, 31420), (1390, 28278), (1571, 25020), (1668, 23565), (2085, 18852), (2502, 15710), (2780, 14139), (3142, 12510), (4170, 9426), (4713, 8340), (5004, 7855), (6255, 6284)]