15381280

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 36578304

約数和(自身を除く): 21197024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 383, 502, 766, 1004, 1255, 1532, 1915, 2008, 2510, 3064, 3830, 4016, 5020, 6128, 7660, 8032, 10040, 12256, 15320, 20080, 30640, 40160, 61280, 96133, 192266, 384532, 480665, 769064, 961330, 1538128, 1922660, 3076256, 3845320, 7690640, 15381280]

約数ペア:

[(1, 15381280), (2, 7690640), (4, 3845320), (5, 3076256), (8, 1922660), (10, 1538128), (16, 961330), (20, 769064), (32, 480665), (40, 384532), (80, 192266), (160, 96133), (251, 61280), (383, 40160), (502, 30640), (766, 20080), (1004, 15320), (1255, 12256), (1532, 10040), (1915, 8032), (2008, 7660), (2510, 6128), (3064, 5020), (3830, 4016)]