12456870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 17541210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 419, 838, 991, 1257, 1982, 2095, 2514, 2973, 4190, 4955, 5946, 6285, 9910, 12570, 14865, 29730, 415229, 830458, 1245687, 2076145, 2491374, 4152290, 6228435, 12456870]

約数ペア:

[(1, 12456870), (2, 6228435), (3, 4152290), (5, 2491374), (6, 2076145), (10, 1245687), (15, 830458), (30, 415229), (419, 29730), (838, 14865), (991, 12570), (1257, 9910), (1982, 6285), (2095, 5946), (2514, 4955), (2973, 4190)]