281232000

素因数分解:

$2^7\times 3^4\times 5^3\times 7^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 640

約数和(自身を含む): 1232225280

約数和(自身を除く): 950993280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 62, 63, 64, 70, 72, 75, 80, 81, 84, 90, 93, 96, 100, 105, 108, 112, 120, 124, 125, 126, 128, 135, 140, 144, 150, 155, 160, 162, 168, 175, 180, 186, 189, 192, 200, 210, 216, 217, 224, 225, 240, 248, 250, 252, 270, 279, 280, 288, 300, 310, 315, 320, 324, 336, 350, 360, 372, 375, 378, 384, 400, 405, 420, 432, 434, 448, 450, 465, 480, 496, 500, 504, 525, 540, 558, 560, 567, 576, 600, 620, 630, 640, 648, 651, 672, 675, 700, 720, 744, 750, 756, 775, 800, 810, 837, 840, 864, 868, 875, 896, 900, 930, 945, 960, 992, 1000, 1008, 1050, 1080, 1085, 1116, 1120, 1125, 1134, 1152, 1200, 1240, 1260, 1296, 1302, 1344, 1350, 1395, 1400, 1440, 1488, 1500, 1512, 1550, 1575, 1600, 1620, 1674, 1680, 1728, 1736, 1750, 1800, 1860, 1890, 1920, 1953, 1984, 2000, 2016, 2025, 2100, 2160, 2170, 2232, 2240, 2250, 2268, 2325, 2400, 2480, 2511, 2520, 2592, 2604, 2625, 2688, 2700, 2790, 2800, 2835, 2880, 2976, 3000, 3024, 3100, 3150, 3200, 3240, 3255, 3348, 3360, 3375, 3456, 3472, 3500, 3600, 3720, 3780, 3875, 3906, 3968, 4000, 4032, 4050, 4185, 4200, 4320, 4340, 4464, 4480, 4500, 4536, 4650, 4725, 4800, 4960, 5022, 5040, 5184, 5208, 5250, 5400, 5425, 5580, 5600, 5670, 5760, 5859, 5952, 6000, 6048, 6200, 6300, 6480, 6510, 6696, 6720, 6750, 6944, 6975, 7000, 7200, 7440, 7560, 7750, 7812, 7875, 8000, 8064, 8100, 8370, 8400, 8640, 8680, 8928, 9000, 9072, 9300, 9450, 9600, 9765, 9920, 10044, 10080, 10125, 10368, 10416, 10500, 10800, 10850, 11160, 11200, 11340, 11625, 11718, 11904, 12000, 12096, 12400, 12555, 12600, 12960, 13020, 13392, 13440, 13500, 13888, 13950, 14000, 14175, 14400, 14880, 15120, 15500, 15624, 15750, 16000, 16200, 16275, 16740, 16800, 17280, 17360, 17577, 17856, 18000, 18144, 18600, 18900, 19530, 19840, 20088, 20160, 20250, 20832, 20925, 21000, 21600, 21700, 22320, 22400, 22680, 23250, 23436, 23625, 24000, 24192, 24800, 25110, 25200, 25920, 26040, 26784, 27000, 27125, 27776, 27900, 28000, 28350, 28800, 29295, 29760, 30240, 31000, 31248, 31500, 32400, 32550, 33480, 33600, 34720, 34875, 35154, 35712, 36000, 36288, 37200, 37800, 39060, 40176, 40320, 40500, 41664, 41850, 42000, 43200, 43400, 44640, 45360, 46500, 46872, 47250, 48000, 48825, 49600, 50220, 50400, 51840, 52080, 53568, 54000, 54250, 55800, 56000, 56700, 58590, 59520, 60480, 62000, 62496, 62775, 63000, 64800, 65100, 66960, 67200, 69440, 69750, 70308, 70875, 72000, 72576, 74400, 75600, 78120, 80352, 81000, 81375, 83328, 83700, 84000, 86400, 86800, 87885, 89280, 90720, 93000, 93744, 94500, 97650, 99200, 100440, 100800, 104160, 104625, 107136, 108000, 108500, 111600, 112000, 113400, 117180, 120960, 124000, 124992, 125550, 126000, 129600, 130200, 133920, 138880, 139500, 140616, 141750, 144000, 146475, 148800, 151200, 156240, 160704, 162000, 162750, 167400, 168000, 173600, 175770, 178560, 181440, 186000, 187488, 189000, 195300, 200880, 201600, 208320, 209250, 216000, 217000, 223200, 226800, 234360, 244125, 248000, 249984, 251100, 252000, 259200, 260400, 267840, 279000, 281232, 283500, 292950, 297600, 302400, 312480, 313875, 321408, 324000, 325500, 334800, 336000, 347200, 351540, 362880, 372000, 374976, 378000, 390600, 401760, 416640, 418500, 432000, 434000, 439425, 446400, 453600, 468720, 488250, 496000, 502200, 504000, 520800, 535680, 558000, 562464, 567000, 585900, 604800, 624960, 627750, 648000, 651000, 669600, 694400, 703080, 732375, 744000, 749952, 756000, 781200, 803520, 837000, 868000, 878850, 892800, 907200, 937440, 976500, 1004400, 1008000, 1041600, 1116000, 1124928, 1134000, 1171800, 1249920, 1255500, 1296000, 1302000, 1339200, 1406160, 1464750, 1488000, 1512000, 1562400, 1607040, 1674000, 1736000, 1757700, 1814400, 1874880, 1953000, 2008800, 2083200, 2197125, 2232000, 2249856, 2268000, 2343600, 2511000, 2604000, 2678400, 2812320, 2929500, 3024000, 3124800, 3348000, 3472000, 3515400, 3749760, 3906000, 4017600, 4394250, 4464000, 4536000, 4687200, 5022000, 5208000, 5624640, 5859000, 6249600, 6696000, 7030800, 7812000, 8035200, 8788500, 9072000, 9374400, 10044000, 10416000, 11249280, 11718000, 13392000, 14061600, 15624000, 17577000, 18748800, 20088000, 23436000, 28123200, 31248000, 35154000, 40176000, 46872000, 56246400, 70308000, 93744000, 140616000, 281232000]

約数ペア:

[(1, 281232000), (2, 140616000), (3, 93744000), (4, 70308000), (5, 56246400), (6, 46872000), (7, 40176000), (8, 35154000), (9, 31248000), (10, 28123200), (12, 23436000), (14, 20088000), (15, 18748800), (16, 17577000), (18, 15624000), (20, 14061600), (21, 13392000), (24, 11718000), (25, 11249280), (27, 10416000), (28, 10044000), (30, 9374400), (31, 9072000), (32, 8788500), (35, 8035200), (36, 7812000), (40, 7030800), (42, 6696000), (45, 6249600), (48, 5859000), (50, 5624640), (54, 5208000), (56, 5022000), (60, 4687200), (62, 4536000), (63, 4464000), (64, 4394250), (70, 4017600), (72, 3906000), (75, 3749760), (80, 3515400), (81, 3472000), (84, 3348000), (90, 3124800), (93, 3024000), (96, 2929500), (100, 2812320), (105, 2678400), (108, 2604000), (112, 2511000), (120, 2343600), (124, 2268000), (125, 2249856), (126, 2232000), (128, 2197125), (135, 2083200), (140, 2008800), (144, 1953000), (150, 1874880), (155, 1814400), (160, 1757700), (162, 1736000), (168, 1674000), (175, 1607040), (180, 1562400), (186, 1512000), (189, 1488000), (192, 1464750), (200, 1406160), (210, 1339200), (216, 1302000), (217, 1296000), (224, 1255500), (225, 1249920), (240, 1171800), (248, 1134000), (250, 1124928), (252, 1116000), (270, 1041600), (279, 1008000), (280, 1004400), (288, 976500), (300, 937440), (310, 907200), (315, 892800), (320, 878850), (324, 868000), (336, 837000), (350, 803520), (360, 781200), (372, 756000), (375, 749952), (378, 744000), (384, 732375), (400, 703080), (405, 694400), (420, 669600), (432, 651000), (434, 648000), (448, 627750), (450, 624960), (465, 604800), (480, 585900), (496, 567000), (500, 562464), (504, 558000), (525, 535680), (540, 520800), (558, 504000), (560, 502200), (567, 496000), (576, 488250), (600, 468720), (620, 453600), (630, 446400), (640, 439425), (648, 434000), (651, 432000), (672, 418500), (675, 416640), (700, 401760), (720, 390600), (744, 378000), (750, 374976), (756, 372000), (775, 362880), (800, 351540), (810, 347200), (837, 336000), (840, 334800), (864, 325500), (868, 324000), (875, 321408), (896, 313875), (900, 312480), (930, 302400), (945, 297600), (960, 292950), (992, 283500), (1000, 281232), (1008, 279000), (1050, 267840), (1080, 260400), (1085, 259200), (1116, 252000), (1120, 251100), (1125, 249984), (1134, 248000), (1152, 244125), (1200, 234360), (1240, 226800), (1260, 223200), (1296, 217000), (1302, 216000), (1344, 209250), (1350, 208320), (1395, 201600), (1400, 200880), (1440, 195300), (1488, 189000), (1500, 187488), (1512, 186000), (1550, 181440), (1575, 178560), (1600, 175770), (1620, 173600), (1674, 168000), (1680, 167400), (1728, 162750), (1736, 162000), (1750, 160704), (1800, 156240), (1860, 151200), (1890, 148800), (1920, 146475), (1953, 144000), (1984, 141750), (2000, 140616), (2016, 139500), (2025, 138880), (2100, 133920), (2160, 130200), (2170, 129600), (2232, 126000), (2240, 125550), (2250, 124992), (2268, 124000), (2325, 120960), (2400, 117180), (2480, 113400), (2511, 112000), (2520, 111600), (2592, 108500), (2604, 108000), (2625, 107136), (2688, 104625), (2700, 104160), (2790, 100800), (2800, 100440), (2835, 99200), (2880, 97650), (2976, 94500), (3000, 93744), (3024, 93000), (3100, 90720), (3150, 89280), (3200, 87885), (3240, 86800), (3255, 86400), (3348, 84000), (3360, 83700), (3375, 83328), (3456, 81375), (3472, 81000), (3500, 80352), (3600, 78120), (3720, 75600), (3780, 74400), (3875, 72576), (3906, 72000), (3968, 70875), (4000, 70308), (4032, 69750), (4050, 69440), (4185, 67200), (4200, 66960), (4320, 65100), (4340, 64800), (4464, 63000), (4480, 62775), (4500, 62496), (4536, 62000), (4650, 60480), (4725, 59520), (4800, 58590), (4960, 56700), (5022, 56000), (5040, 55800), (5184, 54250), (5208, 54000), (5250, 53568), (5400, 52080), (5425, 51840), (5580, 50400), (5600, 50220), (5670, 49600), (5760, 48825), (5859, 48000), (5952, 47250), (6000, 46872), (6048, 46500), (6200, 45360), (6300, 44640), (6480, 43400), (6510, 43200), (6696, 42000), (6720, 41850), (6750, 41664), (6944, 40500), (6975, 40320), (7000, 40176), (7200, 39060), (7440, 37800), (7560, 37200), (7750, 36288), (7812, 36000), (7875, 35712), (8000, 35154), (8064, 34875), (8100, 34720), (8370, 33600), (8400, 33480), (8640, 32550), (8680, 32400), (8928, 31500), (9000, 31248), (9072, 31000), (9300, 30240), (9450, 29760), (9600, 29295), (9765, 28800), (9920, 28350), (10044, 28000), (10080, 27900), (10125, 27776), (10368, 27125), (10416, 27000), (10500, 26784), (10800, 26040), (10850, 25920), (11160, 25200), (11200, 25110), (11340, 24800), (11625, 24192), (11718, 24000), (11904, 23625), (12000, 23436), (12096, 23250), (12400, 22680), (12555, 22400), (12600, 22320), (12960, 21700), (13020, 21600), (13392, 21000), (13440, 20925), (13500, 20832), (13888, 20250), (13950, 20160), (14000, 20088), (14175, 19840), (14400, 19530), (14880, 18900), (15120, 18600), (15500, 18144), (15624, 18000), (15750, 17856), (16000, 17577), (16200, 17360), (16275, 17280), (16740, 16800)]