189663180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451579}}^1$

素因数の和:451598

約数の個数: 48

約数和(自身を含む): 606923520

約数和(自身を除く): 417260340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 451579, 903158, 1354737, 1806316, 2257895, 2709474, 3161053, 4515790, 5418948, 6322106, 6773685, 9031580, 9483159, 12644212, 13547370, 15805265, 18966318, 27094740, 31610530, 37932636, 47415795, 63221060, 94831590, 189663180]

約数ペア:

[(1, 189663180), (2, 94831590), (3, 63221060), (4, 47415795), (5, 37932636), (6, 31610530), (7, 27094740), (10, 18966318), (12, 15805265), (14, 13547370), (15, 12644212), (20, 9483159), (21, 9031580), (28, 6773685), (30, 6322106), (35, 5418948), (42, 4515790), (60, 3161053), (70, 2709474), (84, 2257895), (105, 1806316), (140, 1354737), (210, 903158), (420, 451579)]