82720000

素因数分解:

$2^8\times 5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 180

約数和(自身を含む): 229876416

約数和(自身を除く): 147156416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 47, 50, 55, 64, 80, 88, 94, 100, 110, 125, 128, 160, 176, 188, 200, 220, 235, 250, 256, 275, 320, 352, 376, 400, 440, 470, 500, 517, 550, 625, 640, 704, 752, 800, 880, 940, 1000, 1034, 1100, 1175, 1250, 1280, 1375, 1408, 1504, 1600, 1760, 1880, 2000, 2068, 2200, 2350, 2500, 2585, 2750, 2816, 3008, 3200, 3520, 3760, 4000, 4136, 4400, 4700, 5000, 5170, 5500, 5875, 6016, 6400, 6875, 7040, 7520, 8000, 8272, 8800, 9400, 10000, 10340, 11000, 11750, 12032, 12925, 13750, 14080, 15040, 16000, 16544, 17600, 18800, 20000, 20680, 22000, 23500, 25850, 27500, 29375, 30080, 32000, 33088, 35200, 37600, 40000, 41360, 44000, 47000, 51700, 55000, 58750, 60160, 64625, 66176, 70400, 75200, 80000, 82720, 88000, 94000, 103400, 110000, 117500, 129250, 132352, 150400, 160000, 165440, 176000, 188000, 206800, 220000, 235000, 258500, 300800, 323125, 330880, 352000, 376000, 413600, 440000, 470000, 517000, 646250, 661760, 752000, 827200, 880000, 940000, 1034000, 1292500, 1504000, 1654400, 1760000, 1880000, 2068000, 2585000, 3308800, 3760000, 4136000, 5170000, 7520000, 8272000, 10340000, 16544000, 20680000, 41360000, 82720000]

約数ペア:

[(1, 82720000), (2, 41360000), (4, 20680000), (5, 16544000), (8, 10340000), (10, 8272000), (11, 7520000), (16, 5170000), (20, 4136000), (22, 3760000), (25, 3308800), (32, 2585000), (40, 2068000), (44, 1880000), (47, 1760000), (50, 1654400), (55, 1504000), (64, 1292500), (80, 1034000), (88, 940000), (94, 880000), (100, 827200), (110, 752000), (125, 661760), (128, 646250), (160, 517000), (176, 470000), (188, 440000), (200, 413600), (220, 376000), (235, 352000), (250, 330880), (256, 323125), (275, 300800), (320, 258500), (352, 235000), (376, 220000), (400, 206800), (440, 188000), (470, 176000), (500, 165440), (517, 160000), (550, 150400), (625, 132352), (640, 129250), (704, 117500), (752, 110000), (800, 103400), (880, 94000), (940, 88000), (1000, 82720), (1034, 80000), (1100, 75200), (1175, 70400), (1250, 66176), (1280, 64625), (1375, 60160), (1408, 58750), (1504, 55000), (1600, 51700), (1760, 47000), (1880, 44000), (2000, 41360), (2068, 40000), (2200, 37600), (2350, 35200), (2500, 33088), (2585, 32000), (2750, 30080), (2816, 29375), (3008, 27500), (3200, 25850), (3520, 23500), (3760, 22000), (4000, 20680), (4136, 20000), (4400, 18800), (4700, 17600), (5000, 16544), (5170, 16000), (5500, 15040), (5875, 14080), (6016, 13750), (6400, 12925), (6875, 12032), (7040, 11750), (7520, 11000), (8000, 10340), (8272, 10000), (8800, 9400)]