72457820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 161215488

約数和(自身を除く): 88757668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 2351, 3082, 4702, 6164, 7705, 9404, 11755, 15410, 23510, 30820, 47020, 54073, 108146, 157517, 216292, 270365, 315034, 540730, 630068, 787585, 1081460, 1575170, 3150340, 3622891, 7245782, 14491564, 18114455, 36228910, 72457820]

約数ペア:

[(1, 72457820), (2, 36228910), (4, 18114455), (5, 14491564), (10, 7245782), (20, 3622891), (23, 3150340), (46, 1575170), (67, 1081460), (92, 787585), (115, 630068), (134, 540730), (230, 315034), (268, 270365), (335, 216292), (460, 157517), (670, 108146), (1340, 54073), (1541, 47020), (2351, 30820), (3082, 23510), (4702, 15410), (6164, 11755), (7705, 9404)]