1287016000

素因数分解:

$2^6\times 5^3\times {\mathrm{160877}}^1$

素因数の和:160904

約数の個数: 56

約数和(自身を含む): 3187314936

約数和(自身を除く): 1900298936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 160877, 321754, 643508, 804385, 1287016, 1608770, 2574032, 3217540, 4021925, 5148064, 6435080, 8043850, 10296128, 12870160, 16087700, 20109625, 25740320, 32175400, 40219250, 51480640, 64350800, 80438500, 128701600, 160877000, 257403200, 321754000, 643508000, 1287016000]

約数ペア:

[(1, 1287016000), (2, 643508000), (4, 321754000), (5, 257403200), (8, 160877000), (10, 128701600), (16, 80438500), (20, 64350800), (25, 51480640), (32, 40219250), (40, 32175400), (50, 25740320), (64, 20109625), (80, 16087700), (100, 12870160), (125, 10296128), (160, 8043850), (200, 6435080), (250, 5148064), (320, 4021925), (400, 3217540), (500, 2574032), (800, 1608770), (1000, 1287016), (1600, 804385), (2000, 643508), (4000, 321754), (8000, 160877)]