280489600

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 749773440

約数和(自身を除く): 469283840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 37, 40, 46, 50, 64, 74, 80, 92, 100, 103, 115, 128, 148, 160, 184, 185, 200, 206, 230, 296, 320, 368, 370, 400, 412, 460, 515, 575, 592, 640, 736, 740, 800, 824, 851, 920, 925, 1030, 1150, 1184, 1472, 1480, 1600, 1648, 1702, 1840, 1850, 2060, 2300, 2368, 2369, 2575, 2944, 2960, 3200, 3296, 3404, 3680, 3700, 3811, 4120, 4255, 4600, 4736, 4738, 5150, 5920, 6592, 6808, 7360, 7400, 7622, 8240, 8510, 9200, 9476, 10300, 11840, 11845, 13184, 13616, 14720, 14800, 15244, 16480, 17020, 18400, 18952, 19055, 20600, 21275, 23680, 23690, 27232, 29600, 30488, 32960, 34040, 36800, 37904, 38110, 41200, 42550, 47380, 54464, 59200, 59225, 60976, 65920, 68080, 73600, 75808, 76220, 82400, 85100, 87653, 94760, 95275, 108928, 118400, 118450, 121952, 136160, 151616, 152440, 164800, 170200, 175306, 189520, 190550, 236900, 243904, 272320, 303232, 304880, 329600, 340400, 350612, 379040, 381100, 438265, 473800, 487808, 544640, 609760, 680800, 701224, 758080, 762200, 876530, 947600, 1219520, 1361600, 1402448, 1516160, 1524400, 1753060, 1895200, 2191325, 2439040, 2723200, 2804896, 3048800, 3506120, 3790400, 4382650, 5609792, 6097600, 7012240, 7580800, 8765300, 11219584, 12195200, 14024480, 17530600, 28048960, 35061200, 56097920, 70122400, 140244800, 280489600]

約数ペア:

[(1, 280489600), (2, 140244800), (4, 70122400), (5, 56097920), (8, 35061200), (10, 28048960), (16, 17530600), (20, 14024480), (23, 12195200), (25, 11219584), (32, 8765300), (37, 7580800), (40, 7012240), (46, 6097600), (50, 5609792), (64, 4382650), (74, 3790400), (80, 3506120), (92, 3048800), (100, 2804896), (103, 2723200), (115, 2439040), (128, 2191325), (148, 1895200), (160, 1753060), (184, 1524400), (185, 1516160), (200, 1402448), (206, 1361600), (230, 1219520), (296, 947600), (320, 876530), (368, 762200), (370, 758080), (400, 701224), (412, 680800), (460, 609760), (515, 544640), (575, 487808), (592, 473800), (640, 438265), (736, 381100), (740, 379040), (800, 350612), (824, 340400), (851, 329600), (920, 304880), (925, 303232), (1030, 272320), (1150, 243904), (1184, 236900), (1472, 190550), (1480, 189520), (1600, 175306), (1648, 170200), (1702, 164800), (1840, 152440), (1850, 151616), (2060, 136160), (2300, 121952), (2368, 118450), (2369, 118400), (2575, 108928), (2944, 95275), (2960, 94760), (3200, 87653), (3296, 85100), (3404, 82400), (3680, 76220), (3700, 75808), (3811, 73600), (4120, 68080), (4255, 65920), (4600, 60976), (4736, 59225), (4738, 59200), (5150, 54464), (5920, 47380), (6592, 42550), (6808, 41200), (7360, 38110), (7400, 37904), (7622, 36800), (8240, 34040), (8510, 32960), (9200, 30488), (9476, 29600), (10300, 27232), (11840, 23690), (11845, 23680), (13184, 21275), (13616, 20600), (14720, 19055), (14800, 18952), (15244, 18400), (16480, 17020)]