1981680000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 320

約数和(自身を含む): 6882796800

約数和(自身を除く): 4901116800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 125, 128, 138, 150, 160, 184, 192, 200, 230, 240, 250, 276, 300, 320, 345, 359, 368, 375, 384, 400, 460, 480, 500, 552, 575, 600, 625, 640, 690, 718, 736, 750, 800, 920, 960, 1000, 1077, 1104, 1150, 1200, 1250, 1380, 1436, 1472, 1500, 1600, 1725, 1795, 1840, 1875, 1920, 2000, 2154, 2208, 2300, 2400, 2500, 2760, 2872, 2875, 2944, 3000, 3200, 3450, 3590, 3680, 3750, 4000, 4308, 4416, 4600, 4800, 5000, 5385, 5520, 5744, 5750, 6000, 6900, 7180, 7360, 7500, 8000, 8257, 8616, 8625, 8832, 8975, 9200, 9600, 10000, 10770, 11040, 11488, 11500, 12000, 13800, 14360, 14375, 14720, 15000, 16000, 16514, 17232, 17250, 17950, 18400, 20000, 21540, 22080, 22976, 23000, 24000, 24771, 26925, 27600, 28720, 28750, 30000, 33028, 34464, 34500, 35900, 36800, 40000, 41285, 43080, 43125, 44160, 44875, 45952, 46000, 48000, 49542, 53850, 55200, 57440, 57500, 60000, 66056, 68928, 69000, 71800, 73600, 80000, 82570, 86160, 86250, 89750, 92000, 99084, 107700, 110400, 114880, 115000, 120000, 123855, 132112, 134625, 137856, 138000, 143600, 165140, 172320, 172500, 179500, 184000, 198168, 206425, 215400, 220800, 224375, 229760, 230000, 240000, 247710, 264224, 269250, 276000, 287200, 330280, 344640, 345000, 359000, 368000, 396336, 412850, 430800, 448750, 460000, 495420, 528448, 538500, 552000, 574400, 619275, 660560, 673125, 689280, 690000, 718000, 792672, 825700, 861600, 897500, 920000, 990840, 1032125, 1056896, 1077000, 1104000, 1148800, 1238550, 1321120, 1346250, 1380000, 1436000, 1585344, 1651400, 1723200, 1795000, 1840000, 1981680, 2064250, 2154000, 2477100, 2642240, 2692500, 2760000, 2872000, 3096375, 3170688, 3302800, 3446400, 3590000, 3963360, 4128500, 4308000, 4954200, 5160625, 5284480, 5385000, 5520000, 5744000, 6192750, 6605600, 7180000, 7926720, 8257000, 8616000, 9908400, 10321250, 10770000, 12385500, 13211200, 14360000, 15481875, 15853440, 16514000, 17232000, 19816800, 20642500, 21540000, 24771000, 26422400, 28720000, 30963750, 33028000, 39633600, 41285000, 43080000, 49542000, 61927500, 66056000, 79267200, 82570000, 86160000, 99084000, 123855000, 132112000, 165140000, 198168000, 247710000, 330280000, 396336000, 495420000, 660560000, 990840000, 1981680000]

約数ペア:

[(1, 1981680000), (2, 990840000), (3, 660560000), (4, 495420000), (5, 396336000), (6, 330280000), (8, 247710000), (10, 198168000), (12, 165140000), (15, 132112000), (16, 123855000), (20, 99084000), (23, 86160000), (24, 82570000), (25, 79267200), (30, 66056000), (32, 61927500), (40, 49542000), (46, 43080000), (48, 41285000), (50, 39633600), (60, 33028000), (64, 30963750), (69, 28720000), (75, 26422400), (80, 24771000), (92, 21540000), (96, 20642500), (100, 19816800), (115, 17232000), (120, 16514000), (125, 15853440), (128, 15481875), (138, 14360000), (150, 13211200), (160, 12385500), (184, 10770000), (192, 10321250), (200, 9908400), (230, 8616000), (240, 8257000), (250, 7926720), (276, 7180000), (300, 6605600), (320, 6192750), (345, 5744000), (359, 5520000), (368, 5385000), (375, 5284480), (384, 5160625), (400, 4954200), (460, 4308000), (480, 4128500), (500, 3963360), (552, 3590000), (575, 3446400), (600, 3302800), (625, 3170688), (640, 3096375), (690, 2872000), (718, 2760000), (736, 2692500), (750, 2642240), (800, 2477100), (920, 2154000), (960, 2064250), (1000, 1981680), (1077, 1840000), (1104, 1795000), (1150, 1723200), (1200, 1651400), (1250, 1585344), (1380, 1436000), (1436, 1380000), (1472, 1346250), (1500, 1321120), (1600, 1238550), (1725, 1148800), (1795, 1104000), (1840, 1077000), (1875, 1056896), (1920, 1032125), (2000, 990840), (2154, 920000), (2208, 897500), (2300, 861600), (2400, 825700), (2500, 792672), (2760, 718000), (2872, 690000), (2875, 689280), (2944, 673125), (3000, 660560), (3200, 619275), (3450, 574400), (3590, 552000), (3680, 538500), (3750, 528448), (4000, 495420), (4308, 460000), (4416, 448750), (4600, 430800), (4800, 412850), (5000, 396336), (5385, 368000), (5520, 359000), (5744, 345000), (5750, 344640), (6000, 330280), (6900, 287200), (7180, 276000), (7360, 269250), (7500, 264224), (8000, 247710), (8257, 240000), (8616, 230000), (8625, 229760), (8832, 224375), (8975, 220800), (9200, 215400), (9600, 206425), (10000, 198168), (10770, 184000), (11040, 179500), (11488, 172500), (11500, 172320), (12000, 165140), (13800, 143600), (14360, 138000), (14375, 137856), (14720, 134625), (15000, 132112), (16000, 123855), (16514, 120000), (17232, 115000), (17250, 114880), (17950, 110400), (18400, 107700), (20000, 99084), (21540, 92000), (22080, 89750), (22976, 86250), (23000, 86160), (24000, 82570), (24771, 80000), (26925, 73600), (27600, 71800), (28720, 69000), (28750, 68928), (30000, 66056), (33028, 60000), (34464, 57500), (34500, 57440), (35900, 55200), (36800, 53850), (40000, 49542), (41285, 48000), (43080, 46000), (43125, 45952), (44160, 44875)]