210901980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4271}}^1$

素因数の和:5106

約数の個数: 48

約数和(自身を含む): 591381504

約数和(自身を除く): 380479524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 823, 1646, 2469, 3292, 4115, 4271, 4938, 8230, 8542, 9876, 12345, 12813, 16460, 17084, 21355, 24690, 25626, 42710, 49380, 51252, 64065, 85420, 128130, 256260, 3515033, 7030066, 10545099, 14060132, 17575165, 21090198, 35150330, 42180396, 52725495, 70300660, 105450990, 210901980]

約数ペア:

[(1, 210901980), (2, 105450990), (3, 70300660), (4, 52725495), (5, 42180396), (6, 35150330), (10, 21090198), (12, 17575165), (15, 14060132), (20, 10545099), (30, 7030066), (60, 3515033), (823, 256260), (1646, 128130), (2469, 85420), (3292, 64065), (4115, 51252), (4271, 49380), (4938, 42710), (8230, 25626), (8542, 24690), (9876, 21355), (12345, 17084), (12813, 16460)]