66878520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{557321}}^1$

素因数の和:557335

約数の個数: 32

約数和(自身を含む): 200635920

約数和(自身を除く): 133757400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 557321, 1114642, 1671963, 2229284, 2786605, 3343926, 4458568, 5573210, 6687852, 8359815, 11146420, 13375704, 16719630, 22292840, 33439260, 66878520]

約数ペア:

[(1, 66878520), (2, 33439260), (3, 22292840), (4, 16719630), (5, 13375704), (6, 11146420), (8, 8359815), (10, 6687852), (12, 5573210), (15, 4458568), (20, 3343926), (24, 2786605), (30, 2229284), (40, 1671963), (60, 1114642), (120, 557321)]