15624990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 48

約数和(自身を含む): 40950000

約数和(自身を除く): 25325010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1249, 1251, 1390, 2085, 2498, 2502, 3747, 4170, 6245, 6255, 7494, 11241, 12490, 12510, 18735, 22482, 37470, 56205, 112410, 173611, 347222, 520833, 868055, 1041666, 1562499, 1736110, 2604165, 3124998, 5208330, 7812495, 15624990]

約数ペア:

[(1, 15624990), (2, 7812495), (3, 5208330), (5, 3124998), (6, 2604165), (9, 1736110), (10, 1562499), (15, 1041666), (18, 868055), (30, 520833), (45, 347222), (90, 173611), (139, 112410), (278, 56205), (417, 37470), (695, 22482), (834, 18735), (1249, 12510), (1251, 12490), (1390, 11241), (2085, 7494), (2498, 6255), (2502, 6245), (3747, 4170)]