61205480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{218591}}^1$

素因数の和:218609

約数の個数: 32

約数和(自身を含む): 157386240

約数和(自身を除く): 96180760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 218591, 437182, 874364, 1092955, 1530137, 1748728, 2185910, 3060274, 4371820, 6120548, 7650685, 8743640, 12241096, 15301370, 30602740, 61205480]

約数ペア:

[(1, 61205480), (2, 30602740), (4, 15301370), (5, 12241096), (7, 8743640), (8, 7650685), (10, 6120548), (14, 4371820), (20, 3060274), (28, 2185910), (35, 1748728), (40, 1530137), (56, 1092955), (70, 874364), (140, 437182), (280, 218591)]