20754522880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 576

約数和(自身を含む): 65403813888

約数和(自身を除く): 44649291008

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 61, 64, 65, 70, 80, 91, 92, 104, 112, 115, 122, 127, 128, 130, 140, 160, 161, 182, 184, 208, 224, 230, 244, 254, 256, 260, 280, 299, 305, 320, 322, 364, 368, 416, 427, 448, 455, 460, 488, 508, 520, 560, 598, 610, 635, 640, 644, 728, 736, 793, 805, 832, 854, 889, 896, 910, 920, 976, 1016, 1040, 1120, 1196, 1220, 1270, 1280, 1288, 1403, 1456, 1472, 1495, 1586, 1610, 1651, 1664, 1708, 1778, 1792, 1820, 1840, 1952, 2032, 2080, 2093, 2135, 2240, 2392, 2440, 2540, 2576, 2806, 2912, 2921, 2944, 2990, 3172, 3220, 3302, 3328, 3416, 3556, 3640, 3680, 3904, 3965, 4064, 4160, 4186, 4270, 4445, 4480, 4784, 4880, 5080, 5152, 5551, 5612, 5824, 5842, 5888, 5980, 6344, 6440, 6604, 6832, 7015, 7112, 7280, 7360, 7747, 7808, 7930, 8128, 8255, 8320, 8372, 8540, 8890, 8960, 9568, 9760, 9821, 10160, 10304, 10465, 11102, 11224, 11557, 11648, 11684, 11960, 12688, 12880, 13208, 13664, 14030, 14224, 14560, 14605, 14720, 15494, 15616, 15860, 16256, 16510, 16640, 16744, 17080, 17780, 18239, 19136, 19520, 19642, 20320, 20447, 20608, 20930, 22204, 22448, 23114, 23296, 23368, 23920, 25376, 25760, 26416, 27328, 27755, 28060, 28448, 29120, 29210, 29440, 30988, 31720, 32512, 33020, 33488, 34160, 35560, 36478, 37973, 38272, 38735, 39040, 39284, 40640, 40894, 41216, 41860, 44408, 44896, 46228, 46736, 47840, 49105, 50752, 51520, 52832, 54229, 54656, 55510, 56120, 56896, 57785, 58240, 58420, 61976, 63440, 66040, 66976, 68320, 71120, 72956, 75946, 76544, 77470, 78080, 78568, 81280, 81788, 83720, 88816, 89792, 91195, 92456, 93472, 95680, 98210, 100711, 101504, 102235, 103040, 105664, 108458, 109312, 111020, 112240, 113792, 115570, 116480, 116840, 123952, 126880, 127673, 132080, 133952, 136640, 142240, 145912, 151892, 154940, 157136, 162560, 163576, 167440, 177632, 178181, 179584, 182390, 184912, 186944, 189865, 191360, 196420, 201422, 203008, 204470, 206080, 211328, 216916, 222040, 224480, 227584, 231140, 233680, 247904, 253760, 255346, 264160, 265811, 267904, 271145, 273280, 284480, 291824, 303784, 309880, 314272, 327152, 334880, 355264, 356362, 359168, 364780, 369824, 373888, 379730, 382720, 392840, 402844, 408940, 422656, 433832, 444080, 448960, 462280, 467360, 495808, 503555, 507520, 510692, 528320, 531622, 535808, 542290, 546560, 568960, 583648, 607568, 619760, 628544, 638365, 654304, 669760, 704977, 710528, 712724, 729560, 739648, 747776, 759460, 785680, 805688, 817880, 867664, 888160, 890905, 897920, 924560, 934720, 991616, 1007110, 1015040, 1021384, 1056640, 1063244, 1084580, 1137920, 1167296, 1215136, 1239520, 1247267, 1257088, 1276730, 1308608, 1329055, 1339520, 1409954, 1421056, 1425448, 1459120, 1479296, 1518920, 1571360, 1611376, 1635760, 1735328, 1776320, 1781810, 1795840, 1849120, 1869440, 1983232, 2014220, 2042768, 2113280, 2126488, 2169160, 2316353, 2334592, 2430272, 2479040, 2494534, 2514176, 2553460, 2617216, 2658110, 2679040, 2819908, 2850896, 2918240, 2958592, 3037840, 3142720, 3222752, 3271520, 3470656, 3524885, 3552640, 3563620, 3698240, 3738880, 4028440, 4085536, 4252976, 4338320, 4632706, 4669184, 4860544, 4958080, 4989068, 5106920, 5234432, 5316220, 5639816, 5701792, 5836480, 6075680, 6236335, 6285440, 6445504, 6543040, 6941312, 7049770, 7105280, 7127240, 7396480, 8056880, 8171072, 8505952, 8676640, 9265412, 9721088, 9916160, 9978136, 10213840, 10632440, 11279632, 11403584, 11581765, 11672960, 12151360, 12472670, 12570880, 12891008, 13086080, 13882624, 14099540, 14254480, 14792960, 16113760, 16214471, 16342144, 17011904, 17353280, 18530824, 19956272, 20427680, 21264880, 22559264, 22807168, 23163530, 23345920, 24302720, 24945340, 25782016, 26172160, 28199080, 28508960, 32227520, 32428942, 32684288, 34023808, 34706560, 37061648, 39912544, 40855360, 42529760, 45118528, 45614336, 46327060, 48605440, 49890680, 56398160, 57017920, 64455040, 64857884, 68047616, 69413120, 74123296, 79825088, 81072355, 81710720, 85059520, 90237056, 92654120, 99781360, 112796320, 114035840, 128910080, 129715768, 148246592, 159650176, 162144710, 163421440, 170119040, 180474112, 185308240, 199562720, 225592640, 228071680, 259431536, 296493184, 319300352, 324289420, 340238080, 370616480, 399125440, 451185280, 518863072, 592986368, 648578840, 741232960, 798250880, 902370560, 1037726144, 1297157680, 1482465920, 1596501760, 2075452288, 2594315360, 2964931840, 4150904576, 5188630720, 10377261440, 20754522880]

約数ペア:

[(1, 20754522880), (2, 10377261440), (4, 5188630720), (5, 4150904576), (7, 2964931840), (8, 2594315360), (10, 2075452288), (13, 1596501760), (14, 1482465920), (16, 1297157680), (20, 1037726144), (23, 902370560), (26, 798250880), (28, 741232960), (32, 648578840), (35, 592986368), (40, 518863072), (46, 451185280), (52, 399125440), (56, 370616480), (61, 340238080), (64, 324289420), (65, 319300352), (70, 296493184), (80, 259431536), (91, 228071680), (92, 225592640), (104, 199562720), (112, 185308240), (115, 180474112), (122, 170119040), (127, 163421440), (128, 162144710), (130, 159650176), (140, 148246592), (160, 129715768), (161, 128910080), (182, 114035840), (184, 112796320), (208, 99781360), (224, 92654120), (230, 90237056), (244, 85059520), (254, 81710720), (256, 81072355), (260, 79825088), (280, 74123296), (299, 69413120), (305, 68047616), (320, 64857884), (322, 64455040), (364, 57017920), (368, 56398160), (416, 49890680), (427, 48605440), (448, 46327060), (455, 45614336), (460, 45118528), (488, 42529760), (508, 40855360), (520, 39912544), (560, 37061648), (598, 34706560), (610, 34023808), (635, 32684288), (640, 32428942), (644, 32227520), (728, 28508960), (736, 28199080), (793, 26172160), (805, 25782016), (832, 24945340), (854, 24302720), (889, 23345920), (896, 23163530), (910, 22807168), (920, 22559264), (976, 21264880), (1016, 20427680), (1040, 19956272), (1120, 18530824), (1196, 17353280), (1220, 17011904), (1270, 16342144), (1280, 16214471), (1288, 16113760), (1403, 14792960), (1456, 14254480), (1472, 14099540), (1495, 13882624), (1586, 13086080), (1610, 12891008), (1651, 12570880), (1664, 12472670), (1708, 12151360), (1778, 11672960), (1792, 11581765), (1820, 11403584), (1840, 11279632), (1952, 10632440), (2032, 10213840), (2080, 9978136), (2093, 9916160), (2135, 9721088), (2240, 9265412), (2392, 8676640), (2440, 8505952), (2540, 8171072), (2576, 8056880), (2806, 7396480), (2912, 7127240), (2921, 7105280), (2944, 7049770), (2990, 6941312), (3172, 6543040), (3220, 6445504), (3302, 6285440), (3328, 6236335), (3416, 6075680), (3556, 5836480), (3640, 5701792), (3680, 5639816), (3904, 5316220), (3965, 5234432), (4064, 5106920), (4160, 4989068), (4186, 4958080), (4270, 4860544), (4445, 4669184), (4480, 4632706), (4784, 4338320), (4880, 4252976), (5080, 4085536), (5152, 4028440), (5551, 3738880), (5612, 3698240), (5824, 3563620), (5842, 3552640), (5888, 3524885), (5980, 3470656), (6344, 3271520), (6440, 3222752), (6604, 3142720), (6832, 3037840), (7015, 2958592), (7112, 2918240), (7280, 2850896), (7360, 2819908), (7747, 2679040), (7808, 2658110), (7930, 2617216), (8128, 2553460), (8255, 2514176), (8320, 2494534), (8372, 2479040), (8540, 2430272), (8890, 2334592), (8960, 2316353), (9568, 2169160), (9760, 2126488), (9821, 2113280), (10160, 2042768), (10304, 2014220), (10465, 1983232), (11102, 1869440), (11224, 1849120), (11557, 1795840), (11648, 1781810), (11684, 1776320), (11960, 1735328), (12688, 1635760), (12880, 1611376), (13208, 1571360), (13664, 1518920), (14030, 1479296), (14224, 1459120), (14560, 1425448), (14605, 1421056), (14720, 1409954), (15494, 1339520), (15616, 1329055), (15860, 1308608), (16256, 1276730), (16510, 1257088), (16640, 1247267), (16744, 1239520), (17080, 1215136), (17780, 1167296), (18239, 1137920), (19136, 1084580), (19520, 1063244), (19642, 1056640), (20320, 1021384), (20447, 1015040), (20608, 1007110), (20930, 991616), (22204, 934720), (22448, 924560), (23114, 897920), (23296, 890905), (23368, 888160), (23920, 867664), (25376, 817880), (25760, 805688), (26416, 785680), (27328, 759460), (27755, 747776), (28060, 739648), (28448, 729560), (29120, 712724), (29210, 710528), (29440, 704977), (30988, 669760), (31720, 654304), (32512, 638365), (33020, 628544), (33488, 619760), (34160, 607568), (35560, 583648), (36478, 568960), (37973, 546560), (38272, 542290), (38735, 535808), (39040, 531622), (39284, 528320), (40640, 510692), (40894, 507520), (41216, 503555), (41860, 495808), (44408, 467360), (44896, 462280), (46228, 448960), (46736, 444080), (47840, 433832), (49105, 422656), (50752, 408940), (51520, 402844), (52832, 392840), (54229, 382720), (54656, 379730), (55510, 373888), (56120, 369824), (56896, 364780), (57785, 359168), (58240, 356362), (58420, 355264), (61976, 334880), (63440, 327152), (66040, 314272), (66976, 309880), (68320, 303784), (71120, 291824), (72956, 284480), (75946, 273280), (76544, 271145), (77470, 267904), (78080, 265811), (78568, 264160), (81280, 255346), (81788, 253760), (83720, 247904), (88816, 233680), (89792, 231140), (91195, 227584), (92456, 224480), (93472, 222040), (95680, 216916), (98210, 211328), (100711, 206080), (101504, 204470), (102235, 203008), (103040, 201422), (105664, 196420), (108458, 191360), (109312, 189865), (111020, 186944), (112240, 184912), (113792, 182390), (115570, 179584), (116480, 178181), (116840, 177632), (123952, 167440), (126880, 163576), (127673, 162560), (132080, 157136), (133952, 154940), (136640, 151892), (142240, 145912)]