1028720000

素因数分解:

$2^7\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 320

約数和(自身を含む): 3211971840

約数和(自身を除く): 2183251840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 125, 128, 140, 154, 160, 167, 175, 176, 200, 220, 224, 250, 275, 280, 308, 320, 334, 350, 352, 385, 400, 440, 448, 500, 550, 560, 616, 625, 640, 668, 700, 704, 770, 800, 835, 875, 880, 896, 1000, 1100, 1120, 1169, 1232, 1250, 1336, 1375, 1400, 1408, 1540, 1600, 1670, 1750, 1760, 1837, 1925, 2000, 2200, 2240, 2338, 2464, 2500, 2672, 2750, 2800, 3080, 3200, 3340, 3500, 3520, 3674, 3850, 4000, 4175, 4375, 4400, 4480, 4676, 4928, 5000, 5344, 5500, 5600, 5845, 6160, 6680, 6875, 7000, 7040, 7348, 7700, 8000, 8350, 8750, 8800, 9185, 9352, 9625, 9856, 10000, 10688, 11000, 11200, 11690, 12320, 12859, 13360, 13750, 14000, 14696, 15400, 16000, 16700, 17500, 17600, 18370, 18704, 19250, 20000, 20875, 21376, 22000, 22400, 23380, 24640, 25718, 26720, 27500, 28000, 29225, 29392, 30800, 33400, 35000, 35200, 36740, 37408, 38500, 40000, 41750, 44000, 45925, 46760, 48125, 49280, 51436, 53440, 55000, 56000, 58450, 58784, 61600, 64295, 66800, 70000, 73480, 74816, 77000, 80000, 83500, 88000, 91850, 93520, 96250, 102872, 104375, 106880, 110000, 112000, 116900, 117568, 123200, 128590, 133600, 140000, 146125, 146960, 149632, 154000, 167000, 176000, 183700, 187040, 192500, 205744, 208750, 220000, 229625, 233800, 235136, 246400, 257180, 267200, 280000, 292250, 293920, 308000, 321475, 334000, 367400, 374080, 385000, 411488, 417500, 440000, 459250, 467600, 514360, 534400, 560000, 584500, 587840, 616000, 642950, 668000, 730625, 734800, 748160, 770000, 822976, 835000, 880000, 918500, 935200, 1028720, 1148125, 1169000, 1175680, 1232000, 1285900, 1336000, 1461250, 1469600, 1540000, 1607375, 1645952, 1670000, 1837000, 1870400, 2057440, 2296250, 2338000, 2571800, 2672000, 2922500, 2939200, 3080000, 3214750, 3340000, 3674000, 3740800, 4114880, 4592500, 4676000, 5143600, 5845000, 5878400, 6160000, 6429500, 6680000, 7348000, 8036875, 8229760, 9185000, 9352000, 10287200, 11690000, 12859000, 13360000, 14696000, 16073750, 18370000, 18704000, 20574400, 23380000, 25718000, 29392000, 32147500, 36740000, 41148800, 46760000, 51436000, 64295000, 73480000, 93520000, 102872000, 128590000, 146960000, 205744000, 257180000, 514360000, 1028720000]

約数ペア:

[(1, 1028720000), (2, 514360000), (4, 257180000), (5, 205744000), (7, 146960000), (8, 128590000), (10, 102872000), (11, 93520000), (14, 73480000), (16, 64295000), (20, 51436000), (22, 46760000), (25, 41148800), (28, 36740000), (32, 32147500), (35, 29392000), (40, 25718000), (44, 23380000), (50, 20574400), (55, 18704000), (56, 18370000), (64, 16073750), (70, 14696000), (77, 13360000), (80, 12859000), (88, 11690000), (100, 10287200), (110, 9352000), (112, 9185000), (125, 8229760), (128, 8036875), (140, 7348000), (154, 6680000), (160, 6429500), (167, 6160000), (175, 5878400), (176, 5845000), (200, 5143600), (220, 4676000), (224, 4592500), (250, 4114880), (275, 3740800), (280, 3674000), (308, 3340000), (320, 3214750), (334, 3080000), (350, 2939200), (352, 2922500), (385, 2672000), (400, 2571800), (440, 2338000), (448, 2296250), (500, 2057440), (550, 1870400), (560, 1837000), (616, 1670000), (625, 1645952), (640, 1607375), (668, 1540000), (700, 1469600), (704, 1461250), (770, 1336000), (800, 1285900), (835, 1232000), (875, 1175680), (880, 1169000), (896, 1148125), (1000, 1028720), (1100, 935200), (1120, 918500), (1169, 880000), (1232, 835000), (1250, 822976), (1336, 770000), (1375, 748160), (1400, 734800), (1408, 730625), (1540, 668000), (1600, 642950), (1670, 616000), (1750, 587840), (1760, 584500), (1837, 560000), (1925, 534400), (2000, 514360), (2200, 467600), (2240, 459250), (2338, 440000), (2464, 417500), (2500, 411488), (2672, 385000), (2750, 374080), (2800, 367400), (3080, 334000), (3200, 321475), (3340, 308000), (3500, 293920), (3520, 292250), (3674, 280000), (3850, 267200), (4000, 257180), (4175, 246400), (4375, 235136), (4400, 233800), (4480, 229625), (4676, 220000), (4928, 208750), (5000, 205744), (5344, 192500), (5500, 187040), (5600, 183700), (5845, 176000), (6160, 167000), (6680, 154000), (6875, 149632), (7000, 146960), (7040, 146125), (7348, 140000), (7700, 133600), (8000, 128590), (8350, 123200), (8750, 117568), (8800, 116900), (9185, 112000), (9352, 110000), (9625, 106880), (9856, 104375), (10000, 102872), (10688, 96250), (11000, 93520), (11200, 91850), (11690, 88000), (12320, 83500), (12859, 80000), (13360, 77000), (13750, 74816), (14000, 73480), (14696, 70000), (15400, 66800), (16000, 64295), (16700, 61600), (17500, 58784), (17600, 58450), (18370, 56000), (18704, 55000), (19250, 53440), (20000, 51436), (20875, 49280), (21376, 48125), (22000, 46760), (22400, 45925), (23380, 44000), (24640, 41750), (25718, 40000), (26720, 38500), (27500, 37408), (28000, 36740), (29225, 35200), (29392, 35000), (30800, 33400)]