15757960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7433}}^1$

素因数の和:7497

約数の個数: 32

約数和(自身を含む): 36129240

約数和(自身を除く): 20371280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7433, 14866, 29732, 37165, 59464, 74330, 148660, 297320, 393949, 787898, 1575796, 1969745, 3151592, 3939490, 7878980, 15757960]

約数ペア:

[(1, 15757960), (2, 7878980), (4, 3939490), (5, 3151592), (8, 1969745), (10, 1575796), (20, 787898), (40, 393949), (53, 297320), (106, 148660), (212, 74330), (265, 59464), (424, 37165), (530, 29732), (1060, 14866), (2120, 7433)]