30880140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{514669}}^1$

素因数の和:514681

約数の個数: 24

約数和(自身を含む): 86464560

約数和(自身を除く): 55584420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 514669, 1029338, 1544007, 2058676, 2573345, 3088014, 5146690, 6176028, 7720035, 10293380, 15440070, 30880140]

約数ペア:

[(1, 30880140), (2, 15440070), (3, 10293380), (4, 7720035), (5, 6176028), (6, 5146690), (10, 3088014), (12, 2573345), (15, 2058676), (20, 1544007), (30, 1029338), (60, 514669)]