81578430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{906427}}^1$

素因数の和:906440

約数の個数: 24

約数和(自身を含む): 212104152

約数和(自身を除く): 130525722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 906427, 1812854, 2719281, 4532135, 5438562, 8157843, 9064270, 13596405, 16315686, 27192810, 40789215, 81578430]

約数ペア:

[(1, 81578430), (2, 40789215), (3, 27192810), (5, 16315686), (6, 13596405), (9, 9064270), (10, 8157843), (15, 5438562), (18, 4532135), (30, 2719281), (45, 1812854), (90, 906427)]