81132540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352209}}^1$

素因数の和:1352221

約数の個数: 24

約数和(自身を含む): 227171280

約数和(自身を除く): 146038740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352209, 2704418, 4056627, 5408836, 6761045, 8113254, 13522090, 16226508, 20283135, 27044180, 40566270, 81132540]

約数ペア:

[(1, 81132540), (2, 40566270), (3, 27044180), (4, 20283135), (5, 16226508), (6, 13522090), (10, 8113254), (12, 6761045), (15, 5408836), (20, 4056627), (30, 2704418), (60, 1352209)]