65021520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{270923}}^1$

素因数の和:270939

約数の個数: 40

約数和(自身を含む): 201567456

約数和(自身を除く): 136545936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 270923, 541846, 812769, 1083692, 1354615, 1625538, 2167384, 2709230, 3251076, 4063845, 4334768, 5418460, 6502152, 8127690, 10836920, 13004304, 16255380, 21673840, 32510760, 65021520]

約数ペア:

[(1, 65021520), (2, 32510760), (3, 21673840), (4, 16255380), (5, 13004304), (6, 10836920), (8, 8127690), (10, 6502152), (12, 5418460), (15, 4334768), (16, 4063845), (20, 3251076), (24, 2709230), (30, 2167384), (40, 1625538), (48, 1354615), (60, 1083692), (80, 812769), (120, 541846), (240, 270923)]