161986920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1349891}}^1$

素因数の和:1349905

約数の個数: 32

約数和(自身を含む): 485961120

約数和(自身を除く): 323974200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1349891, 2699782, 4049673, 5399564, 6749455, 8099346, 10799128, 13498910, 16198692, 20248365, 26997820, 32397384, 40496730, 53995640, 80993460, 161986920]

約数ペア:

[(1, 161986920), (2, 80993460), (3, 53995640), (4, 40496730), (5, 32397384), (6, 26997820), (8, 20248365), (10, 16198692), (12, 13498910), (15, 10799128), (20, 8099346), (24, 6749455), (30, 5399564), (40, 4049673), (60, 2699782), (120, 1349891)]