15570990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5625

約数の個数: 48

約数和(自身を含む): 41798016

約数和(自身を除く): 26227026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 5581, 11162, 16743, 27905, 33486, 50229, 55810, 83715, 100458, 167430, 173011, 251145, 346022, 502290, 519033, 865055, 1038066, 1557099, 1730110, 2595165, 3114198, 5190330, 7785495, 15570990]

約数ペア:

[(1, 15570990), (2, 7785495), (3, 5190330), (5, 3114198), (6, 2595165), (9, 1730110), (10, 1557099), (15, 1038066), (18, 865055), (30, 519033), (31, 502290), (45, 346022), (62, 251145), (90, 173011), (93, 167430), (155, 100458), (186, 83715), (279, 55810), (310, 50229), (465, 33486), (558, 27905), (930, 16743), (1395, 11162), (2790, 5581)]