15049520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9901}}^1$

素因数の和:9933

約数の個数: 40

約数和(自身を含む): 36835440

約数和(自身を除く): 21785920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 9901, 19802, 39604, 49505, 79208, 99010, 158416, 188119, 198020, 376238, 396040, 752476, 792080, 940595, 1504952, 1881190, 3009904, 3762380, 7524760, 15049520]

約数ペア:

[(1, 15049520), (2, 7524760), (4, 3762380), (5, 3009904), (8, 1881190), (10, 1504952), (16, 940595), (19, 792080), (20, 752476), (38, 396040), (40, 376238), (76, 198020), (80, 188119), (95, 158416), (152, 99010), (190, 79208), (304, 49505), (380, 39604), (760, 19802), (1520, 9901)]