12421980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{69011}}^1$

素因数の和:69026

約数の個数: 36

約数和(自身を含む): 37680552

約数和(自身を除く): 25258572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 69011, 138022, 207033, 276044, 345055, 414066, 621099, 690110, 828132, 1035165, 1242198, 1380220, 2070330, 2484396, 3105495, 4140660, 6210990, 12421980]

約数ペア:

[(1, 12421980), (2, 6210990), (3, 4140660), (4, 3105495), (5, 2484396), (6, 2070330), (9, 1380220), (10, 1242198), (12, 1035165), (15, 828132), (18, 690110), (20, 621099), (30, 414066), (36, 345055), (45, 276044), (60, 207033), (90, 138022), (180, 69011)]