80518980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1341983}}^1$

素因数の和:1341995

約数の個数: 24

約数和(自身を含む): 225453312

約数和(自身を除く): 144934332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1341983, 2683966, 4025949, 5367932, 6709915, 8051898, 13419830, 16103796, 20129745, 26839660, 40259490, 80518980]

約数ペア:

[(1, 80518980), (2, 40259490), (3, 26839660), (4, 20129745), (5, 16103796), (6, 13419830), (10, 8051898), (12, 6709915), (15, 5367932), (20, 4025949), (30, 2683966), (60, 1341983)]