78157040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 197154048

約数和(自身を除く): 118997008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 260, 337, 446, 520, 674, 892, 1040, 1115, 1348, 1685, 1784, 2230, 2696, 2899, 3370, 3568, 4381, 4460, 5392, 5798, 6740, 8762, 8920, 11596, 13480, 14495, 17524, 17840, 21905, 23192, 26960, 28990, 35048, 43810, 46384, 57980, 70096, 75151, 87620, 115960, 150302, 175240, 231920, 300604, 350480, 375755, 601208, 751510, 976963, 1202416, 1503020, 1953926, 3006040, 3907852, 4884815, 6012080, 7815704, 9769630, 15631408, 19539260, 39078520, 78157040]

約数ペア:

[(1, 78157040), (2, 39078520), (4, 19539260), (5, 15631408), (8, 9769630), (10, 7815704), (13, 6012080), (16, 4884815), (20, 3907852), (26, 3006040), (40, 1953926), (52, 1503020), (65, 1202416), (80, 976963), (104, 751510), (130, 601208), (208, 375755), (223, 350480), (260, 300604), (337, 231920), (446, 175240), (520, 150302), (674, 115960), (892, 87620), (1040, 75151), (1115, 70096), (1348, 57980), (1685, 46384), (1784, 43810), (2230, 35048), (2696, 28990), (2899, 26960), (3370, 23192), (3568, 21905), (4381, 17840), (4460, 17524), (5392, 14495), (5798, 13480), (6740, 11596), (8762, 8920)]