81530760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679423}}^1$

素因数の和:679437

約数の個数: 32

約数和(自身を含む): 244592640

約数和(自身を除く): 163061880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679423, 1358846, 2038269, 2717692, 3397115, 4076538, 5435384, 6794230, 8153076, 10191345, 13588460, 16306152, 20382690, 27176920, 40765380, 81530760]

約数ペア:

[(1, 81530760), (2, 40765380), (3, 27176920), (4, 20382690), (5, 16306152), (6, 13588460), (8, 10191345), (10, 8153076), (12, 6794230), (15, 5435384), (20, 4076538), (24, 3397115), (30, 2717692), (40, 2038269), (60, 1358846), (120, 679423)]