81420180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1357003}}^1$

素因数の和:1357015

約数の個数: 24

約数和(自身を含む): 227976672

約数和(自身を除く): 146556492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1357003, 2714006, 4071009, 5428012, 6785015, 8142018, 13570030, 16284036, 20355045, 27140060, 40710090, 81420180]

約数ペア:

[(1, 81420180), (2, 40710090), (3, 27140060), (4, 20355045), (5, 16284036), (6, 13570030), (10, 8142018), (12, 6785015), (15, 5428012), (20, 4071009), (30, 2714006), (60, 1357003)]