81468810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905209}}^1$

素因数の和:905222

約数の個数: 24

約数和(自身を含む): 211819140

約数和(自身を除く): 130350330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905209, 1810418, 2715627, 4526045, 5431254, 8146881, 9052090, 13578135, 16293762, 27156270, 40734405, 81468810]

約数ペア:

[(1, 81468810), (2, 40734405), (3, 27156270), (5, 16293762), (6, 13578135), (9, 9052090), (10, 8146881), (15, 5431254), (18, 4526045), (30, 2715627), (45, 1810418), (90, 905209)]