138880020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2314667}}^1$

素因数の和:2314679

約数の個数: 24

約数和(自身を含む): 388864224

約数和(自身を除く): 249984204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2314667, 4629334, 6944001, 9258668, 11573335, 13888002, 23146670, 27776004, 34720005, 46293340, 69440010, 138880020]

約数ペア:

[(1, 138880020), (2, 69440010), (3, 46293340), (4, 34720005), (5, 27776004), (6, 23146670), (10, 13888002), (12, 11573335), (15, 9258668), (20, 6944001), (30, 4629334), (60, 2314667)]