15691485020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1\times {\mathrm{16823}}^1$

素因数の和:17294

約数の個数: 48

約数和(自身を含む): 33281236800

約数和(自身を除く): 17589751780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 313, 596, 626, 745, 1252, 1490, 1565, 2980, 3130, 6260, 16823, 33646, 46637, 67292, 84115, 93274, 168230, 186548, 233185, 336460, 466370, 932740, 2506627, 5013254, 5265599, 10026508, 10531198, 12533135, 21062396, 25066270, 26327995, 50132540, 52655990, 105311980, 784574251, 1569148502, 3138297004, 3922871255, 7845742510, 15691485020]

約数ペア:

[(1, 15691485020), (2, 7845742510), (4, 3922871255), (5, 3138297004), (10, 1569148502), (20, 784574251), (149, 105311980), (298, 52655990), (313, 50132540), (596, 26327995), (626, 25066270), (745, 21062396), (1252, 12533135), (1490, 10531198), (1565, 10026508), (2980, 5265599), (3130, 5013254), (6260, 2506627), (16823, 932740), (33646, 466370), (46637, 336460), (67292, 233185), (84115, 186548), (93274, 168230)]