81027420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350457}}^1$

素因数の和:1350469

約数の個数: 24

約数和(自身を含む): 226876944

約数和(自身を除く): 145849524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350457, 2700914, 4051371, 5401828, 6752285, 8102742, 13504570, 16205484, 20256855, 27009140, 40513710, 81027420]

約数ペア:

[(1, 81027420), (2, 40513710), (3, 27009140), (4, 20256855), (5, 16205484), (6, 13504570), (10, 8102742), (12, 6752285), (15, 5401828), (20, 4051371), (30, 2700914), (60, 1350457)]