12781830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{426061}}^1$

素因数の和:426071

約数の個数: 16

約数和(自身を含む): 30676464

約数和(自身を除く): 17894634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 426061, 852122, 1278183, 2130305, 2556366, 4260610, 6390915, 12781830]

約数ペア:

[(1, 12781830), (2, 6390915), (3, 4260610), (5, 2556366), (6, 2130305), (10, 1278183), (15, 852122), (30, 426061)]