21276000

素因数分解:

$2^5\times 3^3\times 5^3\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 56561760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 125, 135, 144, 150, 160, 180, 197, 200, 216, 225, 240, 250, 270, 288, 300, 360, 375, 394, 400, 432, 450, 480, 500, 540, 591, 600, 675, 720, 750, 788, 800, 864, 900, 985, 1000, 1080, 1125, 1182, 1200, 1350, 1440, 1500, 1576, 1773, 1800, 1970, 2000, 2160, 2250, 2364, 2400, 2700, 2955, 3000, 3152, 3375, 3546, 3600, 3940, 4000, 4320, 4500, 4728, 4925, 5319, 5400, 5910, 6000, 6304, 6750, 7092, 7200, 7880, 8865, 9000, 9456, 9850, 10638, 10800, 11820, 12000, 13500, 14184, 14775, 15760, 17730, 18000, 18912, 19700, 21276, 21600, 23640, 24625, 26595, 27000, 28368, 29550, 31520, 35460, 36000, 39400, 42552, 44325, 47280, 49250, 53190, 54000, 56736, 59100, 70920, 73875, 78800, 85104, 88650, 94560, 98500, 106380, 108000, 118200, 132975, 141840, 147750, 157600, 170208, 177300, 197000, 212760, 221625, 236400, 265950, 283680, 295500, 354600, 394000, 425520, 443250, 472800, 531900, 591000, 664875, 709200, 788000, 851040, 886500, 1063800, 1182000, 1329750, 1418400, 1773000, 2127600, 2364000, 2659500, 3546000, 4255200, 5319000, 7092000, 10638000, 21276000]

約数ペア:

[(1, 21276000), (2, 10638000), (3, 7092000), (4, 5319000), (5, 4255200), (6, 3546000), (8, 2659500), (9, 2364000), (10, 2127600), (12, 1773000), (15, 1418400), (16, 1329750), (18, 1182000), (20, 1063800), (24, 886500), (25, 851040), (27, 788000), (30, 709200), (32, 664875), (36, 591000), (40, 531900), (45, 472800), (48, 443250), (50, 425520), (54, 394000), (60, 354600), (72, 295500), (75, 283680), (80, 265950), (90, 236400), (96, 221625), (100, 212760), (108, 197000), (120, 177300), (125, 170208), (135, 157600), (144, 147750), (150, 141840), (160, 132975), (180, 118200), (197, 108000), (200, 106380), (216, 98500), (225, 94560), (240, 88650), (250, 85104), (270, 78800), (288, 73875), (300, 70920), (360, 59100), (375, 56736), (394, 54000), (400, 53190), (432, 49250), (450, 47280), (480, 44325), (500, 42552), (540, 39400), (591, 36000), (600, 35460), (675, 31520), (720, 29550), (750, 28368), (788, 27000), (800, 26595), (864, 24625), (900, 23640), (985, 21600), (1000, 21276), (1080, 19700), (1125, 18912), (1182, 18000), (1200, 17730), (1350, 15760), (1440, 14775), (1500, 14184), (1576, 13500), (1773, 12000), (1800, 11820), (1970, 10800), (2000, 10638), (2160, 9850), (2250, 9456), (2364, 9000), (2400, 8865), (2700, 7880), (2955, 7200), (3000, 7092), (3152, 6750), (3375, 6304), (3546, 6000), (3600, 5910), (3940, 5400), (4000, 5319), (4320, 4925), (4500, 4728)]