9780990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4127}}^1$

素因数の和:4216

約数の個数: 32

約数和(自身を含む): 23777280

約数和(自身を除く): 13996290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 4127, 8254, 12381, 20635, 24762, 41270, 61905, 123810, 326033, 652066, 978099, 1630165, 1956198, 3260330, 4890495, 9780990]

約数ペア:

[(1, 9780990), (2, 4890495), (3, 3260330), (5, 1956198), (6, 1630165), (10, 978099), (15, 652066), (30, 326033), (79, 123810), (158, 61905), (237, 41270), (395, 24762), (474, 20635), (790, 12381), (1185, 8254), (2370, 4127)]