1243726960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2220941}}^1$

素因数の和:2220961

約数の個数: 40

約数和(自身を含む): 3304761696

約数和(自身を除く): 2061034736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2220941, 4441882, 8883764, 11104705, 15546587, 17767528, 22209410, 31093174, 35535056, 44418820, 62186348, 77732935, 88837640, 124372696, 155465870, 177675280, 248745392, 310931740, 621863480, 1243726960]

約数ペア:

[(1, 1243726960), (2, 621863480), (4, 310931740), (5, 248745392), (7, 177675280), (8, 155465870), (10, 124372696), (14, 88837640), (16, 77732935), (20, 62186348), (28, 44418820), (35, 35535056), (40, 31093174), (56, 22209410), (70, 17767528), (80, 15546587), (112, 11104705), (140, 8883764), (280, 4441882), (560, 2220941)]