208379520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 256

約数和(自身を含む): 763776000

約数和(自身を除く): 555396480

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, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 389, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 744, 778, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1167, 1240, 1395, 1440, 1488, 1556, 1674, 1728, 1860, 1920, 1945, 1984, 2160, 2232, 2334, 2480, 2790, 2880, 2976, 3112, 3348, 3456, 3501, 3720, 3890, 3968, 4185, 4320, 4464, 4668, 4960, 5580, 5760, 5835, 5952, 6224, 6696, 7002, 7440, 7780, 8370, 8640, 8928, 9336, 9920, 10503, 11160, 11670, 11904, 12059, 12448, 13392, 14004, 14880, 15560, 16740, 17280, 17505, 17856, 18672, 19840, 21006, 22320, 23340, 24118, 24896, 26784, 28008, 29760, 31120, 33480, 35010, 35712, 36177, 37344, 42012, 44640, 46680, 48236, 49792, 52515, 53568, 56016, 59520, 60295, 62240, 66960, 70020, 72354, 74688, 84024, 89280, 93360, 96472, 105030, 107136, 108531, 112032, 120590, 124480, 133920, 140040, 144708, 149376, 168048, 178560, 180885, 186720, 192944, 210060, 217062, 224064, 241180, 248960, 267840, 280080, 289416, 325593, 336096, 361770, 373440, 385888, 420120, 434124, 448128, 482360, 535680, 542655, 560160, 578832, 651186, 672192, 723540, 746880, 771776, 840240, 868248, 964720, 1085310, 1120320, 1157664, 1302372, 1344384, 1447080, 1543552, 1627965, 1680480, 1736496, 1929440, 2170620, 2240640, 2315328, 2604744, 2894160, 3255930, 3360960, 3472992, 3858880, 4341240, 4630656, 5209488, 5788320, 6511860, 6721920, 6945984, 7717760, 8682480, 10418976, 11576640, 13023720, 13891968, 17364960, 20837952, 23153280, 26047440, 34729920, 41675904, 52094880, 69459840, 104189760, 208379520]

約数ペア:

[(1, 208379520), (2, 104189760), (3, 69459840), (4, 52094880), (5, 41675904), (6, 34729920), (8, 26047440), (9, 23153280), (10, 20837952), (12, 17364960), (15, 13891968), (16, 13023720), (18, 11576640), (20, 10418976), (24, 8682480), (27, 7717760), (30, 6945984), (31, 6721920), (32, 6511860), (36, 5788320), (40, 5209488), (45, 4630656), (48, 4341240), (54, 3858880), (60, 3472992), (62, 3360960), (64, 3255930), (72, 2894160), (80, 2604744), (90, 2315328), (93, 2240640), (96, 2170620), (108, 1929440), (120, 1736496), (124, 1680480), (128, 1627965), (135, 1543552), (144, 1447080), (155, 1344384), (160, 1302372), (180, 1157664), (186, 1120320), (192, 1085310), (216, 964720), (240, 868248), (248, 840240), (270, 771776), (279, 746880), (288, 723540), (310, 672192), (320, 651186), (360, 578832), (372, 560160), (384, 542655), (389, 535680), (432, 482360), (465, 448128), (480, 434124), (496, 420120), (540, 385888), (558, 373440), (576, 361770), (620, 336096), (640, 325593), (720, 289416), (744, 280080), (778, 267840), (837, 248960), (864, 241180), (930, 224064), (960, 217062), (992, 210060), (1080, 192944), (1116, 186720), (1152, 180885), (1167, 178560), (1240, 168048), (1395, 149376), (1440, 144708), (1488, 140040), (1556, 133920), (1674, 124480), (1728, 120590), (1860, 112032), (1920, 108531), (1945, 107136), (1984, 105030), (2160, 96472), (2232, 93360), (2334, 89280), (2480, 84024), (2790, 74688), (2880, 72354), (2976, 70020), (3112, 66960), (3348, 62240), (3456, 60295), (3501, 59520), (3720, 56016), (3890, 53568), (3968, 52515), (4185, 49792), (4320, 48236), (4464, 46680), (4668, 44640), (4960, 42012), (5580, 37344), (5760, 36177), (5835, 35712), (5952, 35010), (6224, 33480), (6696, 31120), (7002, 29760), (7440, 28008), (7780, 26784), (8370, 24896), (8640, 24118), (8928, 23340), (9336, 22320), (9920, 21006), (10503, 19840), (11160, 18672), (11670, 17856), (11904, 17505), (12059, 17280), (12448, 16740), (13392, 15560), (14004, 14880)]