156728660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1279}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 359976960

約数和(自身を除く): 203248300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 557, 1114, 1279, 2228, 2558, 2785, 5116, 5570, 6127, 6395, 11140, 12254, 12790, 14069, 24508, 25580, 28138, 30635, 56276, 61270, 70345, 122540, 140690, 281380, 712403, 1424806, 2849612, 3562015, 7124030, 7836433, 14248060, 15672866, 31345732, 39182165, 78364330, 156728660]

約数ペア:

[(1, 156728660), (2, 78364330), (4, 39182165), (5, 31345732), (10, 15672866), (11, 14248060), (20, 7836433), (22, 7124030), (44, 3562015), (55, 2849612), (110, 1424806), (220, 712403), (557, 281380), (1114, 140690), (1279, 122540), (2228, 70345), (2558, 61270), (2785, 56276), (5116, 30635), (5570, 28138), (6127, 25580), (6395, 24508), (11140, 14069), (12254, 12790)]