172880000

素因数分解:

$2^7\times 5^4\times {\mathrm{2161}}^1$

素因数の和:2195

約数の個数: 80

約数和(自身を含む): 430573110

約数和(自身を除く): 257693110

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2161, 2500, 3200, 4000, 4322, 5000, 8000, 8644, 10000, 10805, 16000, 17288, 20000, 21610, 34576, 40000, 43220, 54025, 69152, 80000, 86440, 108050, 138304, 172880, 216100, 270125, 276608, 345760, 432200, 540250, 691520, 864400, 1080500, 1350625, 1383040, 1728800, 2161000, 2701250, 3457600, 4322000, 5402500, 6915200, 8644000, 10805000, 17288000, 21610000, 34576000, 43220000, 86440000, 172880000]

約数ペア:

[(1, 172880000), (2, 86440000), (4, 43220000), (5, 34576000), (8, 21610000), (10, 17288000), (16, 10805000), (20, 8644000), (25, 6915200), (32, 5402500), (40, 4322000), (50, 3457600), (64, 2701250), (80, 2161000), (100, 1728800), (125, 1383040), (128, 1350625), (160, 1080500), (200, 864400), (250, 691520), (320, 540250), (400, 432200), (500, 345760), (625, 276608), (640, 270125), (800, 216100), (1000, 172880), (1250, 138304), (1600, 108050), (2000, 86440), (2161, 80000), (2500, 69152), (3200, 54025), (4000, 43220), (4322, 40000), (5000, 34576), (8000, 21610), (8644, 20000), (10000, 17288), (10805, 16000)]