20785209120

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 1152

約数和(自身を含む): 87376423680

約数和(自身を除く): 66591214560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 41, 45, 48, 51, 52, 54, 59, 60, 65, 68, 72, 78, 80, 81, 82, 85, 90, 96, 102, 104, 108, 117, 118, 120, 123, 130, 135, 136, 144, 153, 156, 160, 162, 164, 170, 177, 180, 195, 204, 205, 208, 216, 221, 234, 236, 240, 243, 246, 255, 260, 270, 272, 288, 295, 306, 312, 324, 328, 340, 351, 354, 360, 369, 390, 405, 408, 410, 416, 432, 442, 459, 468, 472, 480, 486, 492, 510, 520, 531, 533, 540, 544, 585, 590, 612, 615, 624, 648, 656, 663, 680, 697, 702, 708, 720, 738, 765, 767, 780, 810, 816, 820, 864, 884, 885, 918, 936, 944, 972, 984, 1003, 1020, 1040, 1053, 1062, 1066, 1080, 1105, 1107, 1170, 1180, 1215, 1224, 1230, 1248, 1296, 1312, 1326, 1360, 1377, 1394, 1404, 1416, 1440, 1476, 1530, 1534, 1560, 1593, 1599, 1620, 1632, 1640, 1755, 1768, 1770, 1836, 1845, 1872, 1888, 1944, 1968, 1989, 2006, 2040, 2080, 2091, 2106, 2124, 2132, 2160, 2210, 2214, 2295, 2301, 2340, 2360, 2419, 2430, 2448, 2460, 2592, 2652, 2655, 2665, 2720, 2754, 2788, 2808, 2832, 2952, 3009, 3060, 3068, 3120, 3159, 3186, 3198, 3240, 3280, 3315, 3321, 3485, 3510, 3536, 3540, 3672, 3690, 3744, 3835, 3888, 3936, 3978, 4012, 4080, 4131, 4182, 4212, 4248, 4264, 4320, 4420, 4428, 4590, 4602, 4680, 4720, 4779, 4797, 4838, 4860, 4896, 4920, 5015, 5265, 5304, 5310, 5330, 5508, 5535, 5576, 5616, 5664, 5904, 5967, 6018, 6120, 6136, 6240, 6273, 6318, 6372, 6396, 6480, 6560, 6630, 6642, 6885, 6903, 6970, 7020, 7072, 7080, 7257, 7344, 7380, 7670, 7776, 7956, 7965, 7995, 8024, 8160, 8262, 8364, 8424, 8496, 8528, 8840, 8856, 9027, 9061, 9180, 9204, 9360, 9440, 9558, 9594, 9676, 9720, 9840, 9945, 9963, 10030, 10455, 10530, 10608, 10620, 10660, 11016, 11070, 11152, 11232, 11505, 11808, 11934, 12036, 12095, 12240, 12272, 12546, 12636, 12744, 12792, 12960, 13039, 13260, 13284, 13770, 13806, 13940, 14040, 14160, 14337, 14391, 14514, 14688, 14760, 15045, 15340, 15795, 15912, 15930, 15990, 16048, 16524, 16605, 16728, 16848, 16992, 17056, 17680, 17712, 17901, 18054, 18122, 18360, 18408, 18720, 18819, 19116, 19188, 19352, 19440, 19680, 19890, 19926, 20060, 20655, 20709, 20910, 21060, 21216, 21240, 21320, 21771, 22032, 22140, 22304, 23010, 23868, 23895, 23985, 24072, 24190, 24480, 24544, 25092, 25272, 25488, 25584, 26078, 26520, 26568, 27081, 27183, 27540, 27612, 27880, 28080, 28320, 28674, 28782, 29028, 29520, 29835, 30090, 30680, 31365, 31447, 31590, 31824, 31860, 31980, 32096, 33048, 33210, 33456, 33696, 34515, 35360, 35424, 35802, 36108, 36244, 36285, 36720, 36816, 37638, 38232, 38376, 38704, 38880, 39117, 39780, 39852, 40120, 41123, 41310, 41418, 41820, 42120, 42480, 42640, 43173, 43542, 44064, 44280, 45135, 45305, 46020, 47736, 47790, 47970, 48144, 48380, 49815, 50184, 50544, 50976, 51168, 52156, 53040, 53136, 53703, 54162, 54366, 55080, 55224, 55760, 56160, 56457, 57348, 57564, 58056, 59040, 59670, 60180, 61360, 62127, 62730, 62894, 63180, 63648, 63720, 63960, 65195, 65313, 66096, 66420, 66912, 69030, 71604, 71685, 71955, 72216, 72488, 72570, 73440, 73632, 75276, 76464, 76752, 77408, 78234, 79560, 79704, 80240, 81243, 81549, 82246, 82620, 82836, 83640, 84240, 84960, 85280, 86346, 87084, 88560, 89505, 90270, 90610, 92040, 94095, 94341, 95472, 95580, 95940, 96288, 96760, 99630, 100368, 101088, 103545, 104312, 106080, 106272, 107406, 108324, 108732, 108855, 110160, 110448, 111520, 112914, 114696, 115128, 116112, 117351, 119340, 120360, 122720, 123369, 124254, 125460, 125788, 126360, 127440, 127920, 129519, 130390, 130626, 132192, 132840, 135405, 135915, 138060, 143208, 143370, 143910, 144432, 144976, 145140, 150552, 152928, 153504, 156468, 157235, 159120, 159408, 160480, 162486, 163098, 164492, 165240, 165672, 167280, 168480, 169371, 172692, 174168, 177120, 179010, 180540, 181220, 184080, 186381, 188190, 188682, 190944, 191160, 191880, 193520, 195585, 195939, 199260, 200736, 205615, 207090, 208624, 214812, 215865, 216648, 217464, 217710, 220320, 220896, 225828, 229392, 230256, 232224, 234702, 238680, 240720, 243729, 244647, 246738, 248508, 250920, 251576, 252720, 254880, 255840, 259038, 260780, 261252, 265680, 268515, 270810, 271830, 276120, 282285, 283023, 286416, 286740, 287820, 288864, 289952, 290280, 301104, 310635, 312936, 314470, 318240, 318816, 324972, 326196, 326565, 328984, 330480, 331344, 334560, 338742, 345384, 348336, 352053, 358020, 361080, 362440, 368160, 370107, 372762, 376380, 377364, 382320, 383760, 387040, 391170, 391878, 398520, 406215, 407745, 411230, 414180, 417248, 429624, 431730, 433296, 434928, 435420, 451656, 458784, 460512, 469404, 471705, 477360, 481440, 487458, 489294, 493476, 497016, 501840, 503152, 505440, 518076, 521560, 522504, 531360, 534599, 537030, 541620, 543660, 552240, 564570, 566046, 572832, 573480, 575640, 580560, 586755, 587817, 602208, 616845, 621270, 625872, 628940, 647595, 649944, 652392, 653130, 657968, 660960, 662688, 677484, 690768, 696672, 704106, 716040, 722160, 724880, 733941, 740214, 745524, 752760, 754728, 764640, 767520, 782340, 783756, 797040, 812430, 815490, 822460, 828360, 846855, 849069, 859248, 863460, 866592, 869856, 870840, 903312, 931905, 938808, 943410, 954720, 974916, 978588, 979695, 986952, 994032, 1003680, 1006304, 1036152, 1043120, 1045008, 1056159, 1069198, 1074060, 1083240, 1087320, 1104480, 1110321, 1129140, 1132092, 1146960, 1151280, 1161120, 1173510, 1175634, 1218645, 1223235, 1233690, 1242540, 1251744, 1257880, 1295190, 1299888, 1304784, 1306260, 1315936, 1354968, 1381536, 1408212, 1415115, 1432080, 1444320, 1449760, 1467882, 1480428, 1491048, 1505520, 1509456, 1564680, 1567512, 1594080, 1603797, 1624860, 1630980, 1644920, 1656720, 1693710, 1698138, 1718496, 1726920, 1741680, 1760265, 1806624, 1850535, 1863810, 1877616, 1886820, 1949832, 1957176, 1959390, 1973904, 1988064, 2072304, 2086240, 2090016, 2112318, 2138396, 2148120, 2166480, 2174640, 2201823, 2220642, 2258280, 2264184, 2293920, 2302560, 2347020, 2351268, 2437290, 2446470, 2467380, 2485080, 2515760, 2547207, 2590380, 2599776, 2609568, 2612520, 2672995, 2709936, 2816424, 2830230, 2864160, 2935764, 2939085, 2960856, 2982096, 3011040, 3018912, 3129360, 3135024, 3168477, 3207594, 3249720, 3261960, 3289840, 3313440, 3330963, 3387420, 3396276, 3453840, 3483360, 3520530, 3669705, 3701070, 3727620, 3755232, 3773640, 3899664, 3914352, 3918780, 3947808, 4144608, 4224636, 4245345, 4276792, 4296240, 4332960, 4349280, 4403646, 4441284, 4516560, 4528368, 4694040, 4702536, 4811391, 4874580, 4892940, 4934760, 4970160, 5031520, 5094414, 5180760, 5225040, 5280795, 5345990, 5419872, 5551605, 5632848, 5660460, 5871528, 5878170, 5921712, 5964192, 6258720, 6270048, 6336954, 6415188, 6499440, 6523920, 6579680, 6661926, 6774840, 6792552, 6907680, 7041060, 7339410, 7402140, 7455240, 7547280, 7641621, 7799328, 7828704, 7837560, 8018985, 8449272, 8490690, 8553584, 8592480, 8807292, 8882568, 9033120, 9056736, 9388080, 9405072, 9622782, 9749160, 9785880, 9869520, 9940320, 9992889, 10188828, 10361520, 10450080, 10561590, 10691980, 11009115, 11103210, 11265696, 11320920, 11743056, 11756340, 11843424, 12673908, 12736035, 12830376, 12998880, 13047840, 13323852, 13549680, 13585104, 14082120, 14434173, 14678820, 14804280, 14910480, 15094560, 15283242, 15675120, 15842385, 16037970, 16654815, 16898544, 16981380, 17107168, 17614584, 17765136, 18776160, 18810144, 19245564, 19498320, 19571760, 19739040, 19985778, 20377656, 20723040, 21123180, 21383960, 22018230, 22206420, 22641840, 23486112, 23512680, 24056955, 25347816, 25472070, 25660752, 26647704, 27099360, 27170208, 28164240, 28868346, 29357640, 29608560, 29820960, 30566484, 31350240, 31684770, 32075940, 33309630, 33797088, 33962760, 35229168, 35530272, 38208105, 38491128, 38996640, 39143520, 39971556, 40755312, 42246360, 42767920, 43302519, 44036460, 44412840, 45283680, 47025360, 48113910, 49964445, 50695632, 50944140, 51321504, 53295408, 56328480, 57736692, 58715280, 59217120, 61132968, 63369540, 64151880, 66619260, 67925520, 70458336, 72170865, 76416210, 76982256, 79943112, 81510624, 84492720, 85535840, 86605038, 88072920, 88825680, 94050720, 96227820, 99928890, 101391264, 101888280, 106590816, 115473384, 117430560, 122265936, 126739080, 128303760, 129907557, 133238520, 135851040, 144341730, 152832420, 153964512, 159886224, 168985440, 173210076, 176145840, 177651360, 192455640, 199857780, 203776560, 216512595, 230946768, 244531872, 253478160, 256607520, 259815114, 266477040, 288683460, 305664840, 319772448, 346420152, 352291680, 384911280, 399715560, 407553120, 433025190, 461893536, 506956320, 519630228, 532954080, 577366920, 611329680, 649537785, 692840304, 769822560, 799431120, 866050380, 1039260456, 1154733840, 1222659360, 1299075570, 1385680608, 1598862240, 1732100760, 2078520912, 2309467680, 2598151140, 3464201520, 4157041824, 5196302280, 6928403040, 10392604560, 20785209120]

約数ペア:

[(1, 20785209120), (2, 10392604560), (3, 6928403040), (4, 5196302280), (5, 4157041824), (6, 3464201520), (8, 2598151140), (9, 2309467680), (10, 2078520912), (12, 1732100760), (13, 1598862240), (15, 1385680608), (16, 1299075570), (17, 1222659360), (18, 1154733840), (20, 1039260456), (24, 866050380), (26, 799431120), (27, 769822560), (30, 692840304), (32, 649537785), (34, 611329680), (36, 577366920), (39, 532954080), (40, 519630228), (41, 506956320), (45, 461893536), (48, 433025190), (51, 407553120), (52, 399715560), (54, 384911280), (59, 352291680), (60, 346420152), (65, 319772448), (68, 305664840), (72, 288683460), (78, 266477040), (80, 259815114), (81, 256607520), (82, 253478160), (85, 244531872), (90, 230946768), (96, 216512595), (102, 203776560), (104, 199857780), (108, 192455640), (117, 177651360), (118, 176145840), (120, 173210076), (123, 168985440), (130, 159886224), (135, 153964512), (136, 152832420), (144, 144341730), (153, 135851040), (156, 133238520), (160, 129907557), (162, 128303760), (164, 126739080), (170, 122265936), (177, 117430560), (180, 115473384), (195, 106590816), (204, 101888280), (205, 101391264), (208, 99928890), (216, 96227820), (221, 94050720), (234, 88825680), (236, 88072920), (240, 86605038), (243, 85535840), (246, 84492720), (255, 81510624), (260, 79943112), (270, 76982256), (272, 76416210), (288, 72170865), (295, 70458336), (306, 67925520), (312, 66619260), (324, 64151880), (328, 63369540), (340, 61132968), (351, 59217120), (354, 58715280), (360, 57736692), (369, 56328480), (390, 53295408), (405, 51321504), (408, 50944140), (410, 50695632), (416, 49964445), (432, 48113910), (442, 47025360), (459, 45283680), (468, 44412840), (472, 44036460), (480, 43302519), (486, 42767920), (492, 42246360), (510, 40755312), (520, 39971556), (531, 39143520), (533, 38996640), (540, 38491128), (544, 38208105), (585, 35530272), (590, 35229168), (612, 33962760), (615, 33797088), (624, 33309630), (648, 32075940), (656, 31684770), (663, 31350240), (680, 30566484), (697, 29820960), (702, 29608560), (708, 29357640), (720, 28868346), (738, 28164240), (765, 27170208), (767, 27099360), (780, 26647704), (810, 25660752), (816, 25472070), (820, 25347816), (864, 24056955), (884, 23512680), (885, 23486112), (918, 22641840), (936, 22206420), (944, 22018230), (972, 21383960), (984, 21123180), (1003, 20723040), (1020, 20377656), (1040, 19985778), (1053, 19739040), (1062, 19571760), (1066, 19498320), (1080, 19245564), (1105, 18810144), (1107, 18776160), (1170, 17765136), (1180, 17614584), (1215, 17107168), (1224, 16981380), (1230, 16898544), (1248, 16654815), (1296, 16037970), (1312, 15842385), (1326, 15675120), (1360, 15283242), (1377, 15094560), (1394, 14910480), (1404, 14804280), (1416, 14678820), (1440, 14434173), (1476, 14082120), (1530, 13585104), (1534, 13549680), (1560, 13323852), (1593, 13047840), (1599, 12998880), (1620, 12830376), (1632, 12736035), (1640, 12673908), (1755, 11843424), (1768, 11756340), (1770, 11743056), (1836, 11320920), (1845, 11265696), (1872, 11103210), (1888, 11009115), (1944, 10691980), (1968, 10561590), (1989, 10450080), (2006, 10361520), (2040, 10188828), (2080, 9992889), (2091, 9940320), (2106, 9869520), (2124, 9785880), (2132, 9749160), (2160, 9622782), (2210, 9405072), (2214, 9388080), (2295, 9056736), (2301, 9033120), (2340, 8882568), (2360, 8807292), (2419, 8592480), (2430, 8553584), (2448, 8490690), (2460, 8449272), (2592, 8018985), (2652, 7837560), (2655, 7828704), (2665, 7799328), (2720, 7641621), (2754, 7547280), (2788, 7455240), (2808, 7402140), (2832, 7339410), (2952, 7041060), (3009, 6907680), (3060, 6792552), (3068, 6774840), (3120, 6661926), (3159, 6579680), (3186, 6523920), (3198, 6499440), (3240, 6415188), (3280, 6336954), (3315, 6270048), (3321, 6258720), (3485, 5964192), (3510, 5921712), (3536, 5878170), (3540, 5871528), (3672, 5660460), (3690, 5632848), (3744, 5551605), (3835, 5419872), (3888, 5345990), (3936, 5280795), (3978, 5225040), (4012, 5180760), (4080, 5094414), (4131, 5031520), (4182, 4970160), (4212, 4934760), (4248, 4892940), (4264, 4874580), (4320, 4811391), (4420, 4702536), (4428, 4694040), (4590, 4528368), (4602, 4516560), (4680, 4441284), (4720, 4403646), (4779, 4349280), (4797, 4332960), (4838, 4296240), (4860, 4276792), (4896, 4245345), (4920, 4224636), (5015, 4144608), (5265, 3947808), (5304, 3918780), (5310, 3914352), (5330, 3899664), (5508, 3773640), (5535, 3755232), (5576, 3727620), (5616, 3701070), (5664, 3669705), (5904, 3520530), (5967, 3483360), (6018, 3453840), (6120, 3396276), (6136, 3387420), (6240, 3330963), (6273, 3313440), (6318, 3289840), (6372, 3261960), (6396, 3249720), (6480, 3207594), (6560, 3168477), (6630, 3135024), (6642, 3129360), (6885, 3018912), (6903, 3011040), (6970, 2982096), (7020, 2960856), (7072, 2939085), (7080, 2935764), (7257, 2864160), (7344, 2830230), (7380, 2816424), (7670, 2709936), (7776, 2672995), (7956, 2612520), (7965, 2609568), (7995, 2599776), (8024, 2590380), (8160, 2547207), (8262, 2515760), (8364, 2485080), (8424, 2467380), (8496, 2446470), (8528, 2437290), (8840, 2351268), (8856, 2347020), (9027, 2302560), (9061, 2293920), (9180, 2264184), (9204, 2258280), (9360, 2220642), (9440, 2201823), (9558, 2174640), (9594, 2166480), (9676, 2148120), (9720, 2138396), (9840, 2112318), (9945, 2090016), (9963, 2086240), (10030, 2072304), (10455, 1988064), (10530, 1973904), (10608, 1959390), (10620, 1957176), (10660, 1949832), (11016, 1886820), (11070, 1877616), (11152, 1863810), (11232, 1850535), (11505, 1806624), (11808, 1760265), (11934, 1741680), (12036, 1726920), (12095, 1718496), (12240, 1698138), (12272, 1693710), (12546, 1656720), (12636, 1644920), (12744, 1630980), (12792, 1624860), (12960, 1603797), (13039, 1594080), (13260, 1567512), (13284, 1564680), (13770, 1509456), (13806, 1505520), (13940, 1491048), (14040, 1480428), (14160, 1467882), (14337, 1449760), (14391, 1444320), (14514, 1432080), (14688, 1415115), (14760, 1408212), (15045, 1381536), (15340, 1354968), (15795, 1315936), (15912, 1306260), (15930, 1304784), (15990, 1299888), (16048, 1295190), (16524, 1257880), (16605, 1251744), (16728, 1242540), (16848, 1233690), (16992, 1223235), (17056, 1218645), (17680, 1175634), (17712, 1173510), (17901, 1161120), (18054, 1151280), (18122, 1146960), (18360, 1132092), (18408, 1129140), (18720, 1110321), (18819, 1104480), (19116, 1087320), (19188, 1083240), (19352, 1074060), (19440, 1069198), (19680, 1056159), (19890, 1045008), (19926, 1043120), (20060, 1036152), (20655, 1006304), (20709, 1003680), (20910, 994032), (21060, 986952), (21216, 979695), (21240, 978588), (21320, 974916), (21771, 954720), (22032, 943410), (22140, 938808), (22304, 931905), (23010, 903312), (23868, 870840), (23895, 869856), (23985, 866592), (24072, 863460), (24190, 859248), (24480, 849069), (24544, 846855), (25092, 828360), (25272, 822460), (25488, 815490), (25584, 812430), (26078, 797040), (26520, 783756), (26568, 782340), (27081, 767520), (27183, 764640), (27540, 754728), (27612, 752760), (27880, 745524), (28080, 740214), (28320, 733941), (28674, 724880), (28782, 722160), (29028, 716040), (29520, 704106), (29835, 696672), (30090, 690768), (30680, 677484), (31365, 662688), (31447, 660960), (31590, 657968), (31824, 653130), (31860, 652392), (31980, 649944), (32096, 647595), (33048, 628940), (33210, 625872), (33456, 621270), (33696, 616845), (34515, 602208), (35360, 587817), (35424, 586755), (35802, 580560), (36108, 575640), (36244, 573480), (36285, 572832), (36720, 566046), (36816, 564570), (37638, 552240), (38232, 543660), (38376, 541620), (38704, 537030), (38880, 534599), (39117, 531360), (39780, 522504), (39852, 521560), (40120, 518076), (41123, 505440), (41310, 503152), (41418, 501840), (41820, 497016), (42120, 493476), (42480, 489294), (42640, 487458), (43173, 481440), (43542, 477360), (44064, 471705), (44280, 469404), (45135, 460512), (45305, 458784), (46020, 451656), (47736, 435420), (47790, 434928), (47970, 433296), (48144, 431730), (48380, 429624), (49815, 417248), (50184, 414180), (50544, 411230), (50976, 407745), (51168, 406215), (52156, 398520), (53040, 391878), (53136, 391170), (53703, 387040), (54162, 383760), (54366, 382320), (55080, 377364), (55224, 376380), (55760, 372762), (56160, 370107), (56457, 368160), (57348, 362440), (57564, 361080), (58056, 358020), (59040, 352053), (59670, 348336), (60180, 345384), (61360, 338742), (62127, 334560), (62730, 331344), (62894, 330480), (63180, 328984), (63648, 326565), (63720, 326196), (63960, 324972), (65195, 318816), (65313, 318240), (66096, 314470), (66420, 312936), (66912, 310635), (69030, 301104), (71604, 290280), (71685, 289952), (71955, 288864), (72216, 287820), (72488, 286740), (72570, 286416), (73440, 283023), (73632, 282285), (75276, 276120), (76464, 271830), (76752, 270810), (77408, 268515), (78234, 265680), (79560, 261252), (79704, 260780), (80240, 259038), (81243, 255840), (81549, 254880), (82246, 252720), (82620, 251576), (82836, 250920), (83640, 248508), (84240, 246738), (84960, 244647), (85280, 243729), (86346, 240720), (87084, 238680), (88560, 234702), (89505, 232224), (90270, 230256), (90610, 229392), (92040, 225828), (94095, 220896), (94341, 220320), (95472, 217710), (95580, 217464), (95940, 216648), (96288, 215865), (96760, 214812), (99630, 208624), (100368, 207090), (101088, 205615), (103545, 200736), (104312, 199260), (106080, 195939), (106272, 195585), (107406, 193520), (108324, 191880), (108732, 191160), (108855, 190944), (110160, 188682), (110448, 188190), (111520, 186381), (112914, 184080), (114696, 181220), (115128, 180540), (116112, 179010), (117351, 177120), (119340, 174168), (120360, 172692), (122720, 169371), (123369, 168480), (124254, 167280), (125460, 165672), (125788, 165240), (126360, 164492), (127440, 163098), (127920, 162486), (129519, 160480), (130390, 159408), (130626, 159120), (132192, 157235), (132840, 156468), (135405, 153504), (135915, 152928), (138060, 150552), (143208, 145140), (143370, 144976), (143910, 144432)]