31386540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523109}}^1$

素因数の和:523121

約数の個数: 24

約数和(自身を含む): 87882480

約数和(自身を除く): 56495940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523109, 1046218, 1569327, 2092436, 2615545, 3138654, 5231090, 6277308, 7846635, 10462180, 15693270, 31386540]

約数ペア:

[(1, 31386540), (2, 15693270), (3, 10462180), (4, 7846635), (5, 6277308), (6, 5231090), (10, 3138654), (12, 2615545), (15, 2092436), (20, 1569327), (30, 1046218), (60, 523109)]