80988540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1349809}}^1$

素因数の和:1349821

約数の個数: 24

約数和(自身を含む): 226768080

約数和(自身を除く): 145779540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1349809, 2699618, 4049427, 5399236, 6749045, 8098854, 13498090, 16197708, 20247135, 26996180, 40494270, 80988540]

約数ペア:

[(1, 80988540), (2, 40494270), (3, 26996180), (4, 20247135), (5, 16197708), (6, 13498090), (10, 8098854), (12, 6749045), (15, 5399236), (20, 4049427), (30, 2699618), (60, 1349809)]