81517080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679309}}^1$

素因数の和:679323

約数の個数: 32

約数和(自身を含む): 244551600

約数和(自身を除く): 163034520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679309, 1358618, 2037927, 2717236, 3396545, 4075854, 5434472, 6793090, 8151708, 10189635, 13586180, 16303416, 20379270, 27172360, 40758540, 81517080]

約数ペア:

[(1, 81517080), (2, 40758540), (3, 27172360), (4, 20379270), (5, 16303416), (6, 13586180), (8, 10189635), (10, 8151708), (12, 6793090), (15, 5434472), (20, 4075854), (24, 3396545), (30, 2717236), (40, 2037927), (60, 1358618), (120, 679309)]