31156140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{519269}}^1$

素因数の和:519281

約数の個数: 24

約数和(自身を含む): 87237360

約数和(自身を除く): 56081220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 519269, 1038538, 1557807, 2077076, 2596345, 3115614, 5192690, 6231228, 7789035, 10385380, 15578070, 31156140]

約数ペア:

[(1, 31156140), (2, 15578070), (3, 10385380), (4, 7789035), (5, 6231228), (6, 5192690), (10, 3115614), (12, 2596345), (15, 2077076), (20, 1557807), (30, 1038538), (60, 519269)]