20715816960

素因数分解:

$2^{11}\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2484

約数の個数: 384

約数和(自身を含む): 76045132800

約数和(自身を除く): 55329315840

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, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 512, 540, 558, 576, 620, 640, 720, 744, 768, 837, 864, 930, 960, 992, 1024, 1080, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1674, 1728, 1860, 1920, 1984, 2048, 2160, 2232, 2304, 2417, 2480, 2560, 2790, 2880, 2976, 3072, 3348, 3456, 3720, 3840, 3968, 4185, 4320, 4464, 4608, 4834, 4960, 5120, 5580, 5760, 5952, 6144, 6696, 6912, 7251, 7440, 7680, 7936, 8370, 8640, 8928, 9216, 9668, 9920, 10240, 11160, 11520, 11904, 12085, 13392, 13824, 14502, 14880, 15360, 15872, 16740, 17280, 17856, 18432, 19336, 19840, 21753, 22320, 23040, 23808, 24170, 26784, 27648, 29004, 29760, 30720, 31744, 33480, 34560, 35712, 36255, 38672, 39680, 43506, 44640, 46080, 47616, 48340, 53568, 55296, 58008, 59520, 63488, 65259, 66960, 69120, 71424, 72510, 74927, 77344, 79360, 87012, 89280, 92160, 95232, 96680, 107136, 108765, 116016, 119040, 130518, 133920, 138240, 142848, 145020, 149854, 154688, 158720, 174024, 178560, 190464, 193360, 214272, 217530, 224781, 232032, 238080, 261036, 267840, 276480, 285696, 290040, 299708, 309376, 317440, 326295, 348048, 357120, 374635, 386720, 428544, 435060, 449562, 464064, 476160, 522072, 535680, 571392, 580080, 599416, 618752, 652590, 674343, 696096, 714240, 749270, 773440, 857088, 870120, 899124, 928128, 952320, 1044144, 1071360, 1123905, 1160160, 1198832, 1237504, 1305180, 1348686, 1392192, 1428480, 1498540, 1546880, 1714176, 1740240, 1798248, 1856256, 2023029, 2088288, 2142720, 2247810, 2320320, 2397664, 2475008, 2610360, 2697372, 2784384, 2856960, 2997080, 3093760, 3371715, 3480480, 3596496, 3712512, 4046058, 4176576, 4285440, 4495620, 4640640, 4795328, 4950016, 5220720, 5394744, 5568768, 5994160, 6187520, 6743430, 6960960, 7192992, 7425024, 8092116, 8353152, 8570880, 8991240, 9281280, 9590656, 10115145, 10441440, 10789488, 11137536, 11988320, 12375040, 13486860, 13921920, 14385984, 14850048, 16184232, 16706304, 17982480, 18562560, 19181312, 20230290, 20882880, 21578976, 22275072, 23976640, 24750080, 26973720, 27843840, 28771968, 32368464, 33412608, 35964960, 37125120, 38362624, 40460580, 41765760, 43157952, 44550144, 47953280, 53947440, 55687680, 57543936, 64736928, 66825216, 71929920, 74250240, 76725248, 80921160, 83531520, 86315904, 95906560, 107894880, 111375360, 115087872, 129473856, 133650432, 143859840, 153450496, 161842320, 167063040, 172631808, 191813120, 215789760, 222750720, 230175744, 258947712, 287719680, 323684640, 334126080, 345263616, 383626240, 431579520, 460351488, 517895424, 575439360, 647369280, 668252160, 690527232, 767252480, 863159040, 1035790848, 1150878720, 1294738560, 1381054464, 1726318080, 2071581696, 2301757440, 2589477120, 3452636160, 4143163392, 5178954240, 6905272320, 10357908480, 20715816960]

約数ペア:

[(1, 20715816960), (2, 10357908480), (3, 6905272320), (4, 5178954240), (5, 4143163392), (6, 3452636160), (8, 2589477120), (9, 2301757440), (10, 2071581696), (12, 1726318080), (15, 1381054464), (16, 1294738560), (18, 1150878720), (20, 1035790848), (24, 863159040), (27, 767252480), (30, 690527232), (31, 668252160), (32, 647369280), (36, 575439360), (40, 517895424), (45, 460351488), (48, 431579520), (54, 383626240), (60, 345263616), (62, 334126080), (64, 323684640), (72, 287719680), (80, 258947712), (90, 230175744), (93, 222750720), (96, 215789760), (108, 191813120), (120, 172631808), (124, 167063040), (128, 161842320), (135, 153450496), (144, 143859840), (155, 133650432), (160, 129473856), (180, 115087872), (186, 111375360), (192, 107894880), (216, 95906560), (240, 86315904), (248, 83531520), (256, 80921160), (270, 76725248), (279, 74250240), (288, 71929920), (310, 66825216), (320, 64736928), (360, 57543936), (372, 55687680), (384, 53947440), (432, 47953280), (465, 44550144), (480, 43157952), (496, 41765760), (512, 40460580), (540, 38362624), (558, 37125120), (576, 35964960), (620, 33412608), (640, 32368464), (720, 28771968), (744, 27843840), (768, 26973720), (837, 24750080), (864, 23976640), (930, 22275072), (960, 21578976), (992, 20882880), (1024, 20230290), (1080, 19181312), (1116, 18562560), (1152, 17982480), (1240, 16706304), (1280, 16184232), (1395, 14850048), (1440, 14385984), (1488, 13921920), (1536, 13486860), (1674, 12375040), (1728, 11988320), (1860, 11137536), (1920, 10789488), (1984, 10441440), (2048, 10115145), (2160, 9590656), (2232, 9281280), (2304, 8991240), (2417, 8570880), (2480, 8353152), (2560, 8092116), (2790, 7425024), (2880, 7192992), (2976, 6960960), (3072, 6743430), (3348, 6187520), (3456, 5994160), (3720, 5568768), (3840, 5394744), (3968, 5220720), (4185, 4950016), (4320, 4795328), (4464, 4640640), (4608, 4495620), (4834, 4285440), (4960, 4176576), (5120, 4046058), (5580, 3712512), (5760, 3596496), (5952, 3480480), (6144, 3371715), (6696, 3093760), (6912, 2997080), (7251, 2856960), (7440, 2784384), (7680, 2697372), (7936, 2610360), (8370, 2475008), (8640, 2397664), (8928, 2320320), (9216, 2247810), (9668, 2142720), (9920, 2088288), (10240, 2023029), (11160, 1856256), (11520, 1798248), (11904, 1740240), (12085, 1714176), (13392, 1546880), (13824, 1498540), (14502, 1428480), (14880, 1392192), (15360, 1348686), (15872, 1305180), (16740, 1237504), (17280, 1198832), (17856, 1160160), (18432, 1123905), (19336, 1071360), (19840, 1044144), (21753, 952320), (22320, 928128), (23040, 899124), (23808, 870120), (24170, 857088), (26784, 773440), (27648, 749270), (29004, 714240), (29760, 696096), (30720, 674343), (31744, 652590), (33480, 618752), (34560, 599416), (35712, 580080), (36255, 571392), (38672, 535680), (39680, 522072), (43506, 476160), (44640, 464064), (46080, 449562), (47616, 435060), (48340, 428544), (53568, 386720), (55296, 374635), (58008, 357120), (59520, 348048), (63488, 326295), (65259, 317440), (66960, 309376), (69120, 299708), (71424, 290040), (72510, 285696), (74927, 276480), (77344, 267840), (79360, 261036), (87012, 238080), (89280, 232032), (92160, 224781), (95232, 217530), (96680, 214272), (107136, 193360), (108765, 190464), (116016, 178560), (119040, 174024), (130518, 158720), (133920, 154688), (138240, 149854), (142848, 145020)]