7731420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{128857}}^1$

素因数の和:128869

約数の個数: 24

約数和(自身を含む): 21648144

約数和(自身を除く): 13916724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 128857, 257714, 386571, 515428, 644285, 773142, 1288570, 1546284, 1932855, 2577140, 3865710, 7731420]

約数ペア:

[(1, 7731420), (2, 3865710), (3, 2577140), (4, 1932855), (5, 1546284), (6, 1288570), (10, 773142), (12, 644285), (15, 515428), (20, 386571), (30, 257714), (60, 128857)]