81324000

素因数分解:

$2^5\times 3^4\times 5^3\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 299675376

約数和(自身を除く): 218351376

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, 81, 90, 96, 100, 108, 120, 125, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 250, 251, 270, 288, 300, 324, 360, 375, 400, 405, 432, 450, 480, 500, 502, 540, 600, 648, 675, 720, 750, 753, 800, 810, 864, 900, 1000, 1004, 1080, 1125, 1200, 1255, 1296, 1350, 1440, 1500, 1506, 1620, 1800, 2000, 2008, 2025, 2160, 2250, 2259, 2400, 2510, 2592, 2700, 3000, 3012, 3240, 3375, 3600, 3765, 4000, 4016, 4050, 4320, 4500, 4518, 5020, 5400, 6000, 6024, 6275, 6480, 6750, 6777, 7200, 7530, 8032, 8100, 9000, 9036, 10040, 10125, 10800, 11295, 12000, 12048, 12550, 12960, 13500, 13554, 15060, 16200, 18000, 18072, 18825, 20080, 20250, 20331, 21600, 22590, 24096, 25100, 27000, 27108, 30120, 31375, 32400, 33885, 36000, 36144, 37650, 40160, 40500, 40662, 45180, 50200, 54000, 54216, 56475, 60240, 62750, 64800, 67770, 72288, 75300, 81000, 81324, 90360, 94125, 100400, 101655, 108000, 108432, 112950, 120480, 125500, 135540, 150600, 162000, 162648, 169425, 180720, 188250, 200800, 203310, 216864, 225900, 251000, 271080, 282375, 301200, 324000, 325296, 338850, 361440, 376500, 406620, 451800, 502000, 508275, 542160, 564750, 602400, 650592, 677700, 753000, 813240, 847125, 903600, 1004000, 1016550, 1084320, 1129500, 1355400, 1506000, 1626480, 1694250, 1807200, 2033100, 2259000, 2541375, 2710800, 3012000, 3252960, 3388500, 4066200, 4518000, 5082750, 5421600, 6777000, 8132400, 9036000, 10165500, 13554000, 16264800, 20331000, 27108000, 40662000, 81324000]

約数ペア:

[(1, 81324000), (2, 40662000), (3, 27108000), (4, 20331000), (5, 16264800), (6, 13554000), (8, 10165500), (9, 9036000), (10, 8132400), (12, 6777000), (15, 5421600), (16, 5082750), (18, 4518000), (20, 4066200), (24, 3388500), (25, 3252960), (27, 3012000), (30, 2710800), (32, 2541375), (36, 2259000), (40, 2033100), (45, 1807200), (48, 1694250), (50, 1626480), (54, 1506000), (60, 1355400), (72, 1129500), (75, 1084320), (80, 1016550), (81, 1004000), (90, 903600), (96, 847125), (100, 813240), (108, 753000), (120, 677700), (125, 650592), (135, 602400), (144, 564750), (150, 542160), (160, 508275), (162, 502000), (180, 451800), (200, 406620), (216, 376500), (225, 361440), (240, 338850), (250, 325296), (251, 324000), (270, 301200), (288, 282375), (300, 271080), (324, 251000), (360, 225900), (375, 216864), (400, 203310), (405, 200800), (432, 188250), (450, 180720), (480, 169425), (500, 162648), (502, 162000), (540, 150600), (600, 135540), (648, 125500), (675, 120480), (720, 112950), (750, 108432), (753, 108000), (800, 101655), (810, 100400), (864, 94125), (900, 90360), (1000, 81324), (1004, 81000), (1080, 75300), (1125, 72288), (1200, 67770), (1255, 64800), (1296, 62750), (1350, 60240), (1440, 56475), (1500, 54216), (1506, 54000), (1620, 50200), (1800, 45180), (2000, 40662), (2008, 40500), (2025, 40160), (2160, 37650), (2250, 36144), (2259, 36000), (2400, 33885), (2510, 32400), (2592, 31375), (2700, 30120), (3000, 27108), (3012, 27000), (3240, 25100), (3375, 24096), (3600, 22590), (3765, 21600), (4000, 20331), (4016, 20250), (4050, 20080), (4320, 18825), (4500, 18072), (4518, 18000), (5020, 16200), (5400, 15060), (6000, 13554), (6024, 13500), (6275, 12960), (6480, 12550), (6750, 12048), (6777, 12000), (7200, 11295), (7530, 10800), (8032, 10125), (8100, 10040), (9000, 9036)]