30480920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9181}}^1$

素因数の和:9275

約数の個数: 32

約数和(自身を含む): 69415920

約数和(自身を除く): 38935000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9181, 18362, 36724, 45905, 73448, 91810, 183620, 367240, 762023, 1524046, 3048092, 3810115, 6096184, 7620230, 15240460, 30480920]

約数ペア:

[(1, 30480920), (2, 15240460), (4, 7620230), (5, 6096184), (8, 3810115), (10, 3048092), (20, 1524046), (40, 762023), (83, 367240), (166, 183620), (332, 91810), (415, 73448), (664, 45905), (830, 36724), (1660, 18362), (3320, 9181)]