201620720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{360037}}^1$

素因数の和:360057

約数の個数: 40

約数和(自身を含む): 535736544

約数和(自身を除く): 334115824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 360037, 720074, 1440148, 1800185, 2520259, 2880296, 3600370, 5040518, 5760592, 7200740, 10081036, 12601295, 14401480, 20162072, 25202590, 28802960, 40324144, 50405180, 100810360, 201620720]

約数ペア:

[(1, 201620720), (2, 100810360), (4, 50405180), (5, 40324144), (7, 28802960), (8, 25202590), (10, 20162072), (14, 14401480), (16, 12601295), (20, 10081036), (28, 7200740), (35, 5760592), (40, 5040518), (56, 3600370), (70, 2880296), (80, 2520259), (112, 1800185), (140, 1440148), (280, 720074), (560, 360037)]