30731840

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{701}}^1$

素因数の和:855

約数の個数: 56

約数和(自身を含む): 73819512

約数和(自身を除く): 43087672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 701, 1096, 1370, 1402, 2192, 2740, 2804, 3505, 4384, 5480, 5608, 7010, 8768, 10960, 11216, 14020, 21920, 22432, 28040, 43840, 44864, 56080, 96037, 112160, 192074, 224320, 384148, 480185, 768296, 960370, 1536592, 1920740, 3073184, 3841480, 6146368, 7682960, 15365920, 30731840]

約数ペア:

[(1, 30731840), (2, 15365920), (4, 7682960), (5, 6146368), (8, 3841480), (10, 3073184), (16, 1920740), (20, 1536592), (32, 960370), (40, 768296), (64, 480185), (80, 384148), (137, 224320), (160, 192074), (274, 112160), (320, 96037), (548, 56080), (685, 44864), (701, 43840), (1096, 28040), (1370, 22432), (1402, 21920), (2192, 14020), (2740, 11216), (2804, 10960), (3505, 8768), (4384, 7010), (5480, 5608)]