30123020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{24691}}^1$

素因数の和:24761

約数の個数: 24

約数和(自身を含む): 64297968

約数和(自身を除く): 34174948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 24691, 49382, 98764, 123455, 246910, 493820, 1506151, 3012302, 6024604, 7530755, 15061510, 30123020]

約数ペア:

[(1, 30123020), (2, 15061510), (4, 7530755), (5, 6024604), (10, 3012302), (20, 1506151), (61, 493820), (122, 246910), (244, 123455), (305, 98764), (610, 49382), (1220, 24691)]