31156980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{519283}}^1$

素因数の和:519295

約数の個数: 24

約数和(自身を含む): 87239712

約数和(自身を除く): 56082732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 519283, 1038566, 1557849, 2077132, 2596415, 3115698, 5192830, 6231396, 7789245, 10385660, 15578490, 31156980]

約数ペア:

[(1, 31156980), (2, 15578490), (3, 10385660), (4, 7789245), (5, 6231396), (6, 5192830), (10, 3115698), (12, 2596415), (15, 2077132), (20, 1557849), (30, 1038566), (60, 519283)]