217538520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1812821}}^1$

素因数の和:1812835

約数の個数: 32

約数和(自身を含む): 652615920

約数和(自身を除く): 435077400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1812821, 3625642, 5438463, 7251284, 9064105, 10876926, 14502568, 18128210, 21753852, 27192315, 36256420, 43507704, 54384630, 72512840, 108769260, 217538520]

約数ペア:

[(1, 217538520), (2, 108769260), (3, 72512840), (4, 54384630), (5, 43507704), (6, 36256420), (8, 27192315), (10, 21753852), (12, 18128210), (15, 14502568), (20, 10876926), (24, 9064105), (30, 7251284), (40, 5438463), (60, 3625642), (120, 1812821)]