20289669120

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^2\times {\mathrm{4493}}^1$

素因数の和:4540

約数の個数: 432

約数和(自身を含む): 81819426780

約数和(自身を除く): 61529757660

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 512, 560, 576, 588, 630, 640, 672, 720, 735, 768, 784, 840, 882, 896, 960, 980, 1008, 1024, 1120, 1152, 1176, 1260, 1280, 1344, 1440, 1470, 1536, 1568, 1680, 1764, 1792, 1920, 1960, 2016, 2048, 2205, 2240, 2304, 2352, 2520, 2560, 2688, 2880, 2940, 3072, 3136, 3360, 3528, 3584, 3840, 3920, 4032, 4410, 4480, 4493, 4608, 4704, 5040, 5120, 5376, 5760, 5880, 6144, 6272, 6720, 7056, 7168, 7680, 7840, 8064, 8820, 8960, 8986, 9216, 9408, 10080, 10240, 10752, 11520, 11760, 12544, 13440, 13479, 14112, 14336, 15360, 15680, 16128, 17640, 17920, 17972, 18432, 18816, 20160, 21504, 22465, 23040, 23520, 25088, 26880, 26958, 28224, 30720, 31360, 31451, 32256, 35280, 35840, 35944, 37632, 40320, 40437, 43008, 44930, 46080, 47040, 50176, 53760, 53916, 56448, 62720, 62902, 64512, 67395, 70560, 71680, 71888, 75264, 80640, 80874, 89860, 92160, 94080, 94353, 100352, 107520, 107832, 112896, 125440, 125804, 129024, 134790, 141120, 143776, 150528, 157255, 161280, 161748, 179720, 188160, 188706, 202185, 215040, 215664, 220157, 225792, 250880, 251608, 269580, 282240, 283059, 287552, 301056, 314510, 322560, 323496, 359440, 376320, 377412, 404370, 431328, 440314, 451584, 471765, 501760, 503216, 539160, 564480, 566118, 575104, 629020, 645120, 646992, 660471, 718880, 752640, 754824, 808740, 862656, 880628, 903168, 943530, 1006432, 1078320, 1100785, 1128960, 1132236, 1150208, 1258040, 1293984, 1320942, 1415295, 1437760, 1505280, 1509648, 1617480, 1725312, 1761256, 1887060, 1981413, 2012864, 2156640, 2201570, 2257920, 2264472, 2300416, 2516080, 2587968, 2641884, 2830590, 2875520, 3019296, 3234960, 3302355, 3450624, 3522512, 3774120, 3962826, 4025728, 4313280, 4403140, 4515840, 4528944, 4600832, 5032160, 5175936, 5283768, 5661180, 5751040, 6038592, 6469920, 6604710, 6901248, 7045024, 7548240, 7925652, 8051456, 8626560, 8806280, 9057888, 9201664, 9907065, 10064320, 10351872, 10567536, 11322360, 11502080, 12077184, 12939840, 13209420, 13802496, 14090048, 15096480, 15851304, 16102912, 17253120, 17612560, 18115776, 19814130, 20128640, 20703744, 21135072, 22644720, 23004160, 24154368, 25879680, 26418840, 27604992, 28180096, 30192960, 31702608, 32205824, 34506240, 35225120, 36231552, 39628260, 40257280, 41407488, 42270144, 45289440, 46008320, 48308736, 51759360, 52837680, 56360192, 60385920, 63405216, 64411648, 69012480, 70450240, 72463104, 79256520, 80514560, 82814976, 84540288, 90578880, 96617472, 103518720, 105675360, 112720384, 120771840, 126810432, 138024960, 140900480, 144926208, 158513040, 161029120, 169080576, 181157760, 193234944, 207037440, 211350720, 225440768, 241543680, 253620864, 281800960, 289852416, 317026080, 322058240, 338161152, 362315520, 414074880, 422701440, 450881536, 483087360, 507241728, 563601920, 579704832, 634052160, 676322304, 724631040, 845402880, 966174720, 1014483456, 1127203840, 1268104320, 1352644608, 1449262080, 1690805760, 2028966912, 2254407680, 2536208640, 2898524160, 3381611520, 4057933824, 5072417280, 6763223040, 10144834560, 20289669120]

約数ペア:

[(1, 20289669120), (2, 10144834560), (3, 6763223040), (4, 5072417280), (5, 4057933824), (6, 3381611520), (7, 2898524160), (8, 2536208640), (9, 2254407680), (10, 2028966912), (12, 1690805760), (14, 1449262080), (15, 1352644608), (16, 1268104320), (18, 1127203840), (20, 1014483456), (21, 966174720), (24, 845402880), (28, 724631040), (30, 676322304), (32, 634052160), (35, 579704832), (36, 563601920), (40, 507241728), (42, 483087360), (45, 450881536), (48, 422701440), (49, 414074880), (56, 362315520), (60, 338161152), (63, 322058240), (64, 317026080), (70, 289852416), (72, 281800960), (80, 253620864), (84, 241543680), (90, 225440768), (96, 211350720), (98, 207037440), (105, 193234944), (112, 181157760), (120, 169080576), (126, 161029120), (128, 158513040), (140, 144926208), (144, 140900480), (147, 138024960), (160, 126810432), (168, 120771840), (180, 112720384), (192, 105675360), (196, 103518720), (210, 96617472), (224, 90578880), (240, 84540288), (245, 82814976), (252, 80514560), (256, 79256520), (280, 72463104), (288, 70450240), (294, 69012480), (315, 64411648), (320, 63405216), (336, 60385920), (360, 56360192), (384, 52837680), (392, 51759360), (420, 48308736), (441, 46008320), (448, 45289440), (480, 42270144), (490, 41407488), (504, 40257280), (512, 39628260), (560, 36231552), (576, 35225120), (588, 34506240), (630, 32205824), (640, 31702608), (672, 30192960), (720, 28180096), (735, 27604992), (768, 26418840), (784, 25879680), (840, 24154368), (882, 23004160), (896, 22644720), (960, 21135072), (980, 20703744), (1008, 20128640), (1024, 19814130), (1120, 18115776), (1152, 17612560), (1176, 17253120), (1260, 16102912), (1280, 15851304), (1344, 15096480), (1440, 14090048), (1470, 13802496), (1536, 13209420), (1568, 12939840), (1680, 12077184), (1764, 11502080), (1792, 11322360), (1920, 10567536), (1960, 10351872), (2016, 10064320), (2048, 9907065), (2205, 9201664), (2240, 9057888), (2304, 8806280), (2352, 8626560), (2520, 8051456), (2560, 7925652), (2688, 7548240), (2880, 7045024), (2940, 6901248), (3072, 6604710), (3136, 6469920), (3360, 6038592), (3528, 5751040), (3584, 5661180), (3840, 5283768), (3920, 5175936), (4032, 5032160), (4410, 4600832), (4480, 4528944), (4493, 4515840), (4608, 4403140), (4704, 4313280), (5040, 4025728), (5120, 3962826), (5376, 3774120), (5760, 3522512), (5880, 3450624), (6144, 3302355), (6272, 3234960), (6720, 3019296), (7056, 2875520), (7168, 2830590), (7680, 2641884), (7840, 2587968), (8064, 2516080), (8820, 2300416), (8960, 2264472), (8986, 2257920), (9216, 2201570), (9408, 2156640), (10080, 2012864), (10240, 1981413), (10752, 1887060), (11520, 1761256), (11760, 1725312), (12544, 1617480), (13440, 1509648), (13479, 1505280), (14112, 1437760), (14336, 1415295), (15360, 1320942), (15680, 1293984), (16128, 1258040), (17640, 1150208), (17920, 1132236), (17972, 1128960), (18432, 1100785), (18816, 1078320), (20160, 1006432), (21504, 943530), (22465, 903168), (23040, 880628), (23520, 862656), (25088, 808740), (26880, 754824), (26958, 752640), (28224, 718880), (30720, 660471), (31360, 646992), (31451, 645120), (32256, 629020), (35280, 575104), (35840, 566118), (35944, 564480), (37632, 539160), (40320, 503216), (40437, 501760), (43008, 471765), (44930, 451584), (46080, 440314), (47040, 431328), (50176, 404370), (53760, 377412), (53916, 376320), (56448, 359440), (62720, 323496), (62902, 322560), (64512, 314510), (67395, 301056), (70560, 287552), (71680, 283059), (71888, 282240), (75264, 269580), (80640, 251608), (80874, 250880), (89860, 225792), (92160, 220157), (94080, 215664), (94353, 215040), (100352, 202185), (107520, 188706), (107832, 188160), (112896, 179720), (125440, 161748), (125804, 161280), (129024, 157255), (134790, 150528), (141120, 143776)]