15221920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13591}}^1$

素因数の和:13613

約数の個数: 48

約数和(自身を含む): 41102208

約数和(自身を除く): 25880288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 13591, 27182, 54364, 67955, 95137, 108728, 135910, 190274, 217456, 271820, 380548, 434912, 475685, 543640, 761096, 951370, 1087280, 1522192, 1902740, 2174560, 3044384, 3805480, 7610960, 15221920]

約数ペア:

[(1, 15221920), (2, 7610960), (4, 3805480), (5, 3044384), (7, 2174560), (8, 1902740), (10, 1522192), (14, 1087280), (16, 951370), (20, 761096), (28, 543640), (32, 475685), (35, 434912), (40, 380548), (56, 271820), (70, 217456), (80, 190274), (112, 135910), (140, 108728), (160, 95137), (224, 67955), (280, 54364), (560, 27182), (1120, 13591)]