15311980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7433}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 32471712

約数和(自身を除く): 17159732

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 7433, 14866, 29732, 37165, 74330, 148660, 765599, 1531198, 3062396, 3827995, 7655990, 15311980]

約数ペア:

[(1, 15311980), (2, 7655990), (4, 3827995), (5, 3062396), (10, 1531198), (20, 765599), (103, 148660), (206, 74330), (412, 37165), (515, 29732), (1030, 14866), (2060, 7433)]