90140765

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 130623024

約数和(自身を除く): 40482259

約数列:

[1, 5, 11, 13, 55, 65, 73, 121, 143, 157, 365, 605, 715, 785, 803, 949, 1573, 1727, 2041, 4015, 4745, 7865, 8635, 8833, 10205, 10439, 11461, 18997, 22451, 44165, 52195, 57305, 94985, 112255, 114829, 126071, 148993, 246961, 574145, 630355, 744965, 1234805, 1386781, 1638923, 6933905, 8194615, 18028153, 90140765]

約数ペア:

[(1, 90140765), (5, 18028153), (11, 8194615), (13, 6933905), (55, 1638923), (65, 1386781), (73, 1234805), (121, 744965), (143, 630355), (157, 574145), (365, 246961), (605, 148993), (715, 126071), (785, 114829), (803, 112255), (949, 94985), (1573, 57305), (1727, 52195), (2041, 44165), (4015, 22451), (4745, 18997), (7865, 11461), (8635, 10439), (8833, 10205)]