312569280

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 280

約数和(自身を含む): 1150680960

約数和(自身を除く): 838111680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 389, 405, 432, 465, 480, 496, 540, 558, 576, 620, 648, 720, 744, 778, 810, 837, 864, 930, 960, 992, 1080, 1116, 1167, 1240, 1296, 1395, 1440, 1488, 1556, 1620, 1674, 1728, 1860, 1945, 1984, 2160, 2232, 2334, 2480, 2511, 2592, 2790, 2880, 2976, 3112, 3240, 3348, 3501, 3720, 3890, 4185, 4320, 4464, 4668, 4960, 5022, 5184, 5580, 5835, 5952, 6224, 6480, 6696, 7002, 7440, 7780, 8370, 8640, 8928, 9336, 9920, 10044, 10503, 11160, 11670, 12059, 12448, 12555, 12960, 13392, 14004, 14880, 15560, 16740, 17505, 17856, 18672, 20088, 21006, 22320, 23340, 24118, 24896, 25110, 25920, 26784, 28008, 29760, 31120, 31509, 33480, 35010, 36177, 37344, 40176, 42012, 44640, 46680, 48236, 50220, 52515, 53568, 56016, 60295, 62240, 63018, 66960, 70020, 72354, 74688, 80352, 84024, 89280, 93360, 96472, 100440, 105030, 108531, 112032, 120590, 124480, 126036, 133920, 140040, 144708, 157545, 160704, 168048, 180885, 186720, 192944, 200880, 210060, 217062, 224064, 241180, 252072, 267840, 280080, 289416, 315090, 325593, 336096, 361770, 373440, 385888, 401760, 420120, 434124, 482360, 504144, 542655, 560160, 578832, 630180, 651186, 672192, 723540, 771776, 803520, 840240, 868248, 964720, 976779, 1008288, 1085310, 1120320, 1157664, 1260360, 1302372, 1447080, 1627965, 1680480, 1736496, 1929440, 1953558, 2016576, 2170620, 2315328, 2520720, 2604744, 2894160, 3255930, 3360960, 3472992, 3858880, 3907116, 4341240, 4883895, 5041440, 5209488, 5788320, 6511860, 6945984, 7814232, 8682480, 9767790, 10082880, 10418976, 11576640, 13023720, 15628464, 17364960, 19535580, 20837952, 26047440, 31256928, 34729920, 39071160, 52094880, 62513856, 78142320, 104189760, 156284640, 312569280]

約数ペア:

[(1, 312569280), (2, 156284640), (3, 104189760), (4, 78142320), (5, 62513856), (6, 52094880), (8, 39071160), (9, 34729920), (10, 31256928), (12, 26047440), (15, 20837952), (16, 19535580), (18, 17364960), (20, 15628464), (24, 13023720), (27, 11576640), (30, 10418976), (31, 10082880), (32, 9767790), (36, 8682480), (40, 7814232), (45, 6945984), (48, 6511860), (54, 5788320), (60, 5209488), (62, 5041440), (64, 4883895), (72, 4341240), (80, 3907116), (81, 3858880), (90, 3472992), (93, 3360960), (96, 3255930), (108, 2894160), (120, 2604744), (124, 2520720), (135, 2315328), (144, 2170620), (155, 2016576), (160, 1953558), (162, 1929440), (180, 1736496), (186, 1680480), (192, 1627965), (216, 1447080), (240, 1302372), (248, 1260360), (270, 1157664), (279, 1120320), (288, 1085310), (310, 1008288), (320, 976779), (324, 964720), (360, 868248), (372, 840240), (389, 803520), (405, 771776), (432, 723540), (465, 672192), (480, 651186), (496, 630180), (540, 578832), (558, 560160), (576, 542655), (620, 504144), (648, 482360), (720, 434124), (744, 420120), (778, 401760), (810, 385888), (837, 373440), (864, 361770), (930, 336096), (960, 325593), (992, 315090), (1080, 289416), (1116, 280080), (1167, 267840), (1240, 252072), (1296, 241180), (1395, 224064), (1440, 217062), (1488, 210060), (1556, 200880), (1620, 192944), (1674, 186720), (1728, 180885), (1860, 168048), (1945, 160704), (1984, 157545), (2160, 144708), (2232, 140040), (2334, 133920), (2480, 126036), (2511, 124480), (2592, 120590), (2790, 112032), (2880, 108531), (2976, 105030), (3112, 100440), (3240, 96472), (3348, 93360), (3501, 89280), (3720, 84024), (3890, 80352), (4185, 74688), (4320, 72354), (4464, 70020), (4668, 66960), (4960, 63018), (5022, 62240), (5184, 60295), (5580, 56016), (5835, 53568), (5952, 52515), (6224, 50220), (6480, 48236), (6696, 46680), (7002, 44640), (7440, 42012), (7780, 40176), (8370, 37344), (8640, 36177), (8928, 35010), (9336, 33480), (9920, 31509), (10044, 31120), (10503, 29760), (11160, 28008), (11670, 26784), (12059, 25920), (12448, 25110), (12555, 24896), (12960, 24118), (13392, 23340), (14004, 22320), (14880, 21006), (15560, 20088), (16740, 18672), (17505, 17856)]