2161980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{12011}}^1$

素因数の和:12026

約数の個数: 36

約数和(自身を含む): 6558552

約数和(自身を除く): 4396572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 12011, 24022, 36033, 48044, 60055, 72066, 108099, 120110, 144132, 180165, 216198, 240220, 360330, 432396, 540495, 720660, 1080990, 2161980]

約数ペア:

[(1, 2161980), (2, 1080990), (3, 720660), (4, 540495), (5, 432396), (6, 360330), (9, 240220), (10, 216198), (12, 180165), (15, 144132), (18, 120110), (20, 108099), (30, 72066), (36, 60055), (45, 48044), (60, 36033), (90, 24022), (180, 12011)]