1231980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{20533}}^1$

素因数の和:20545

約数の個数: 24

約数和(自身を含む): 3449712

約数和(自身を除く): 2217732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 20533, 41066, 61599, 82132, 102665, 123198, 205330, 246396, 307995, 410660, 615990, 1231980]

約数ペア:

[(1, 1231980), (2, 615990), (3, 410660), (4, 307995), (5, 246396), (6, 205330), (10, 123198), (12, 102665), (15, 82132), (20, 61599), (30, 41066), (60, 20533)]