1687620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2557}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 5156928

約数和(自身を除く): 3469308

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2557, 5114, 7671, 10228, 12785, 15342, 25570, 28127, 30684, 38355, 51140, 56254, 76710, 84381, 112508, 140635, 153420, 168762, 281270, 337524, 421905, 562540, 843810, 1687620]

約数ペア:

[(1, 1687620), (2, 843810), (3, 562540), (4, 421905), (5, 337524), (6, 281270), (10, 168762), (11, 153420), (12, 140635), (15, 112508), (20, 84381), (22, 76710), (30, 56254), (33, 51140), (44, 38355), (55, 30684), (60, 28127), (66, 25570), (110, 15342), (132, 12785), (165, 10228), (220, 7671), (330, 5114), (660, 2557)]