71648000

素因数分解:

$2^8\times 5^3\times {\mathrm{2239}}^1$

素因数の和:2270

約数の個数: 72

約数和(自身を含む): 178563840

約数和(自身を除く): 106915840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 2239, 3200, 4000, 4478, 6400, 8000, 8956, 11195, 16000, 17912, 22390, 32000, 35824, 44780, 55975, 71648, 89560, 111950, 143296, 179120, 223900, 279875, 286592, 358240, 447800, 559750, 573184, 716480, 895600, 1119500, 1432960, 1791200, 2239000, 2865920, 3582400, 4478000, 7164800, 8956000, 14329600, 17912000, 35824000, 71648000]

約数ペア:

[(1, 71648000), (2, 35824000), (4, 17912000), (5, 14329600), (8, 8956000), (10, 7164800), (16, 4478000), (20, 3582400), (25, 2865920), (32, 2239000), (40, 1791200), (50, 1432960), (64, 1119500), (80, 895600), (100, 716480), (125, 573184), (128, 559750), (160, 447800), (200, 358240), (250, 286592), (256, 279875), (320, 223900), (400, 179120), (500, 143296), (640, 111950), (800, 89560), (1000, 71648), (1280, 55975), (1600, 44780), (2000, 35824), (2239, 32000), (3200, 22390), (4000, 17912), (4478, 16000), (6400, 11195), (8000, 8956)]