80040720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{333503}}^1$

素因数の和:333519

約数の個数: 40

約数和(自身を含む): 248126976

約数和(自身を除く): 168086256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 333503, 667006, 1000509, 1334012, 1667515, 2001018, 2668024, 3335030, 4002036, 5002545, 5336048, 6670060, 8004072, 10005090, 13340120, 16008144, 20010180, 26680240, 40020360, 80040720]

約数ペア:

[(1, 80040720), (2, 40020360), (3, 26680240), (4, 20010180), (5, 16008144), (6, 13340120), (8, 10005090), (10, 8004072), (12, 6670060), (15, 5336048), (16, 5002545), (20, 4002036), (24, 3335030), (30, 2668024), (40, 2001018), (48, 1667515), (60, 1334012), (80, 1000509), (120, 667006), (240, 333503)]