15505220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 34933248

約数和(自身を除く): 19428028

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 911, 1702, 1822, 3404, 3644, 4255, 4555, 8510, 9110, 17020, 18220, 20953, 33707, 41906, 67414, 83812, 104765, 134828, 168535, 209530, 337070, 419060, 674140, 775261, 1550522, 3101044, 3876305, 7752610, 15505220]

約数ペア:

[(1, 15505220), (2, 7752610), (4, 3876305), (5, 3101044), (10, 1550522), (20, 775261), (23, 674140), (37, 419060), (46, 337070), (74, 209530), (92, 168535), (115, 134828), (148, 104765), (185, 83812), (230, 67414), (370, 41906), (460, 33707), (740, 20953), (851, 18220), (911, 17020), (1702, 9110), (1822, 8510), (3404, 4555), (3644, 4255)]