85216980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1420283}}^1$

素因数の和:1420295

約数の個数: 24

約数和(自身を含む): 238607712

約数和(自身を除く): 153390732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1420283, 2840566, 4260849, 5681132, 7101415, 8521698, 14202830, 17043396, 21304245, 28405660, 42608490, 85216980]

約数ペア:

[(1, 85216980), (2, 42608490), (3, 28405660), (4, 21304245), (5, 17043396), (6, 14202830), (10, 8521698), (12, 7101415), (15, 5681132), (20, 4260849), (30, 2840566), (60, 1420283)]