20287749120

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:507

約数の個数: 352

約数和(自身を含む): 67688165376

約数和(自身を除く): 47400416256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 137, 155, 160, 186, 192, 240, 248, 256, 274, 310, 311, 320, 372, 384, 411, 465, 480, 496, 512, 548, 620, 622, 640, 685, 744, 768, 822, 930, 933, 960, 992, 1024, 1096, 1240, 1244, 1280, 1370, 1488, 1536, 1555, 1644, 1860, 1866, 1920, 1984, 2055, 2192, 2480, 2488, 2560, 2740, 2976, 3072, 3110, 3288, 3720, 3732, 3840, 3968, 4110, 4247, 4384, 4665, 4960, 4976, 5120, 5480, 5952, 6220, 6576, 7440, 7464, 7680, 7936, 8220, 8494, 8768, 9330, 9641, 9920, 9952, 10960, 11904, 12440, 12741, 13152, 14880, 14928, 15360, 15872, 16440, 16988, 17536, 18660, 19282, 19840, 19904, 21235, 21920, 23808, 24880, 25482, 26304, 28923, 29760, 29856, 31744, 32880, 33976, 35072, 37320, 38564, 39680, 39808, 42470, 42607, 43840, 47616, 48205, 49760, 50964, 52608, 57846, 59520, 59712, 63705, 65760, 67952, 70144, 74640, 77128, 79360, 79616, 84940, 85214, 87680, 95232, 96410, 99520, 101928, 105216, 115692, 119040, 119424, 127410, 127821, 131520, 135904, 140288, 144615, 149280, 154256, 158720, 159232, 169880, 170428, 175360, 192820, 199040, 203856, 210432, 213035, 231384, 238080, 238848, 254820, 255642, 263040, 271808, 289230, 298560, 308512, 318464, 339760, 340856, 350720, 385640, 398080, 407712, 420864, 426070, 462768, 476160, 477696, 509640, 511284, 526080, 543616, 578460, 597120, 617024, 639105, 679520, 681712, 701440, 771280, 796160, 815424, 852140, 925536, 955392, 1019280, 1022568, 1052160, 1087232, 1156920, 1194240, 1234048, 1278210, 1320817, 1359040, 1363424, 1542560, 1592320, 1630848, 1704280, 1851072, 2038560, 2045136, 2104320, 2174464, 2313840, 2388480, 2468096, 2556420, 2641634, 2718080, 2726848, 3085120, 3261696, 3408560, 3702144, 3962451, 4077120, 4090272, 4348928, 4627680, 4776960, 4936192, 5112840, 5283268, 5436160, 5453696, 6170240, 6523392, 6604085, 6817120, 7404288, 7924902, 8154240, 8180544, 9255360, 9872384, 10225680, 10566536, 10872320, 10907392, 12340480, 13046784, 13208170, 13634240, 14808576, 15849804, 16308480, 16361088, 18510720, 19812255, 20451360, 21133072, 21744640, 21814784, 24680960, 26416340, 27268480, 29617152, 31699608, 32616960, 32722176, 37021440, 39624510, 40902720, 42266144, 43629568, 49361920, 52832680, 54536960, 63399216, 65233920, 65444352, 74042880, 79249020, 81805440, 84532288, 105665360, 109073920, 126798432, 130888704, 148085760, 158498040, 163610880, 169064576, 211330720, 218147840, 253596864, 316996080, 327221760, 338129152, 422661440, 507193728, 633992160, 654443520, 676258304, 845322880, 1014387456, 1267984320, 1352516608, 1690645760, 2028774912, 2535968640, 3381291520, 4057549824, 5071937280, 6762583040, 10143874560, 20287749120]

約数ペア:

[(1, 20287749120), (2, 10143874560), (3, 6762583040), (4, 5071937280), (5, 4057549824), (6, 3381291520), (8, 2535968640), (10, 2028774912), (12, 1690645760), (15, 1352516608), (16, 1267984320), (20, 1014387456), (24, 845322880), (30, 676258304), (31, 654443520), (32, 633992160), (40, 507193728), (48, 422661440), (60, 338129152), (62, 327221760), (64, 316996080), (80, 253596864), (93, 218147840), (96, 211330720), (120, 169064576), (124, 163610880), (128, 158498040), (137, 148085760), (155, 130888704), (160, 126798432), (186, 109073920), (192, 105665360), (240, 84532288), (248, 81805440), (256, 79249020), (274, 74042880), (310, 65444352), (311, 65233920), (320, 63399216), (372, 54536960), (384, 52832680), (411, 49361920), (465, 43629568), (480, 42266144), (496, 40902720), (512, 39624510), (548, 37021440), (620, 32722176), (622, 32616960), (640, 31699608), (685, 29617152), (744, 27268480), (768, 26416340), (822, 24680960), (930, 21814784), (933, 21744640), (960, 21133072), (992, 20451360), (1024, 19812255), (1096, 18510720), (1240, 16361088), (1244, 16308480), (1280, 15849804), (1370, 14808576), (1488, 13634240), (1536, 13208170), (1555, 13046784), (1644, 12340480), (1860, 10907392), (1866, 10872320), (1920, 10566536), (1984, 10225680), (2055, 9872384), (2192, 9255360), (2480, 8180544), (2488, 8154240), (2560, 7924902), (2740, 7404288), (2976, 6817120), (3072, 6604085), (3110, 6523392), (3288, 6170240), (3720, 5453696), (3732, 5436160), (3840, 5283268), (3968, 5112840), (4110, 4936192), (4247, 4776960), (4384, 4627680), (4665, 4348928), (4960, 4090272), (4976, 4077120), (5120, 3962451), (5480, 3702144), (5952, 3408560), (6220, 3261696), (6576, 3085120), (7440, 2726848), (7464, 2718080), (7680, 2641634), (7936, 2556420), (8220, 2468096), (8494, 2388480), (8768, 2313840), (9330, 2174464), (9641, 2104320), (9920, 2045136), (9952, 2038560), (10960, 1851072), (11904, 1704280), (12440, 1630848), (12741, 1592320), (13152, 1542560), (14880, 1363424), (14928, 1359040), (15360, 1320817), (15872, 1278210), (16440, 1234048), (16988, 1194240), (17536, 1156920), (18660, 1087232), (19282, 1052160), (19840, 1022568), (19904, 1019280), (21235, 955392), (21920, 925536), (23808, 852140), (24880, 815424), (25482, 796160), (26304, 771280), (28923, 701440), (29760, 681712), (29856, 679520), (31744, 639105), (32880, 617024), (33976, 597120), (35072, 578460), (37320, 543616), (38564, 526080), (39680, 511284), (39808, 509640), (42470, 477696), (42607, 476160), (43840, 462768), (47616, 426070), (48205, 420864), (49760, 407712), (50964, 398080), (52608, 385640), (57846, 350720), (59520, 340856), (59712, 339760), (63705, 318464), (65760, 308512), (67952, 298560), (70144, 289230), (74640, 271808), (77128, 263040), (79360, 255642), (79616, 254820), (84940, 238848), (85214, 238080), (87680, 231384), (95232, 213035), (96410, 210432), (99520, 203856), (101928, 199040), (105216, 192820), (115692, 175360), (119040, 170428), (119424, 169880), (127410, 159232), (127821, 158720), (131520, 154256), (135904, 149280), (140288, 144615)]