15217960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2777}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 34502760

約数和(自身を除く): 19284800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 2777, 5480, 5554, 11108, 13885, 22216, 27770, 55540, 111080, 380449, 760898, 1521796, 1902245, 3043592, 3804490, 7608980, 15217960]

約数ペア:

[(1, 15217960), (2, 7608980), (4, 3804490), (5, 3043592), (8, 1902245), (10, 1521796), (20, 760898), (40, 380449), (137, 111080), (274, 55540), (548, 27770), (685, 22216), (1096, 13885), (1370, 11108), (2740, 5554), (2777, 5480)]