2011620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2579}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 6068160

約数和(自身を除く): 4056540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2579, 5158, 7737, 10316, 12895, 15474, 25790, 30948, 33527, 38685, 51580, 67054, 77370, 100581, 134108, 154740, 167635, 201162, 335270, 402324, 502905, 670540, 1005810, 2011620]

約数ペア:

[(1, 2011620), (2, 1005810), (3, 670540), (4, 502905), (5, 402324), (6, 335270), (10, 201162), (12, 167635), (13, 154740), (15, 134108), (20, 100581), (26, 77370), (30, 67054), (39, 51580), (52, 38685), (60, 33527), (65, 30948), (78, 25790), (130, 15474), (156, 12895), (195, 10316), (260, 7737), (390, 5158), (780, 2579)]