68386120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155423}}^1$

素因数の和:155445

約数の個数: 32

約数和(自身を含む): 167857920

約数和(自身を除く): 99471800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155423, 310846, 621692, 777115, 1243384, 1554230, 1709653, 3108460, 3419306, 6216920, 6838612, 8548265, 13677224, 17096530, 34193060, 68386120]

約数ペア:

[(1, 68386120), (2, 34193060), (4, 17096530), (5, 13677224), (8, 8548265), (10, 6838612), (11, 6216920), (20, 3419306), (22, 3108460), (40, 1709653), (44, 1554230), (55, 1243384), (88, 777115), (110, 621692), (220, 310846), (440, 155423)]