84128000

素因数分解:

$2^8\times 5^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 229582080

約数和(自身を除く): 145454080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 239, 250, 256, 275, 320, 352, 400, 440, 478, 500, 550, 640, 704, 800, 880, 956, 1000, 1100, 1195, 1280, 1375, 1408, 1600, 1760, 1912, 2000, 2200, 2390, 2629, 2750, 2816, 3200, 3520, 3824, 4000, 4400, 4780, 5258, 5500, 5975, 6400, 7040, 7648, 8000, 8800, 9560, 10516, 11000, 11950, 13145, 14080, 15296, 16000, 17600, 19120, 21032, 22000, 23900, 26290, 29875, 30592, 32000, 35200, 38240, 42064, 44000, 47800, 52580, 59750, 61184, 65725, 70400, 76480, 84128, 88000, 95600, 105160, 119500, 131450, 152960, 168256, 176000, 191200, 210320, 239000, 262900, 305920, 328625, 336512, 352000, 382400, 420640, 478000, 525800, 657250, 673024, 764800, 841280, 956000, 1051600, 1314500, 1529600, 1682560, 1912000, 2103200, 2629000, 3365120, 3824000, 4206400, 5258000, 7648000, 8412800, 10516000, 16825600, 21032000, 42064000, 84128000]

約数ペア:

[(1, 84128000), (2, 42064000), (4, 21032000), (5, 16825600), (8, 10516000), (10, 8412800), (11, 7648000), (16, 5258000), (20, 4206400), (22, 3824000), (25, 3365120), (32, 2629000), (40, 2103200), (44, 1912000), (50, 1682560), (55, 1529600), (64, 1314500), (80, 1051600), (88, 956000), (100, 841280), (110, 764800), (125, 673024), (128, 657250), (160, 525800), (176, 478000), (200, 420640), (220, 382400), (239, 352000), (250, 336512), (256, 328625), (275, 305920), (320, 262900), (352, 239000), (400, 210320), (440, 191200), (478, 176000), (500, 168256), (550, 152960), (640, 131450), (704, 119500), (800, 105160), (880, 95600), (956, 88000), (1000, 84128), (1100, 76480), (1195, 70400), (1280, 65725), (1375, 61184), (1408, 59750), (1600, 52580), (1760, 47800), (1912, 44000), (2000, 42064), (2200, 38240), (2390, 35200), (2629, 32000), (2750, 30592), (2816, 29875), (3200, 26290), (3520, 23900), (3824, 22000), (4000, 21032), (4400, 19120), (4780, 17600), (5258, 16000), (5500, 15296), (5975, 14080), (6400, 13145), (7040, 11950), (7648, 11000), (8000, 10516), (8800, 9560)]