31018920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{258491}}^1$

素因数の和:258505

約数の個数: 32

約数和(自身を含む): 93057120

約数和(自身を除く): 62038200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 258491, 516982, 775473, 1033964, 1292455, 1550946, 2067928, 2584910, 3101892, 3877365, 5169820, 6203784, 7754730, 10339640, 15509460, 31018920]

約数ペア:

[(1, 31018920), (2, 15509460), (3, 10339640), (4, 7754730), (5, 6203784), (6, 5169820), (8, 3877365), (10, 3101892), (12, 2584910), (15, 2067928), (20, 1550946), (24, 1292455), (30, 1033964), (40, 775473), (60, 516982), (120, 258491)]