12459720320

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{77563}}^1$

素因数の和:77833

約数の個数: 64

約数和(自身を含む): 29905575840

約数和(自身を除く): 17445855520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 320, 502, 640, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 16064, 20080, 32128, 40160, 77563, 80320, 155126, 160640, 310252, 387815, 620504, 775630, 1241008, 1551260, 2482016, 3102520, 4964032, 6205040, 9928064, 12410080, 19468313, 24820160, 38936626, 49640320, 77873252, 97341565, 155746504, 194683130, 311493008, 389366260, 622986016, 778732520, 1245972032, 1557465040, 2491944064, 3114930080, 6229860160, 12459720320]

約数ペア:

[(1, 12459720320), (2, 6229860160), (4, 3114930080), (5, 2491944064), (8, 1557465040), (10, 1245972032), (16, 778732520), (20, 622986016), (32, 389366260), (40, 311493008), (64, 194683130), (80, 155746504), (128, 97341565), (160, 77873252), (251, 49640320), (320, 38936626), (502, 24820160), (640, 19468313), (1004, 12410080), (1255, 9928064), (2008, 6205040), (2510, 4964032), (4016, 3102520), (5020, 2482016), (8032, 1551260), (10040, 1241008), (16064, 775630), (20080, 620504), (32128, 387815), (40160, 310252), (77563, 160640), (80320, 155126)]