20839920807680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{106397}}^1$

素因数の和:106659

約数の個数: 288

約数和(自身を含む): 54804333024000

約数和(自身を除く): 33964412216320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 149, 158, 160, 208, 256, 260, 298, 316, 320, 395, 416, 520, 596, 632, 640, 745, 790, 832, 1027, 1040, 1192, 1264, 1280, 1490, 1580, 1664, 1937, 2054, 2080, 2384, 2528, 2980, 3160, 3328, 3874, 4108, 4160, 4768, 5056, 5135, 5960, 6320, 7748, 8216, 8320, 9536, 9685, 10112, 10270, 11771, 11920, 12640, 15496, 16432, 16640, 19072, 19370, 20224, 20540, 23542, 23840, 25280, 30992, 32864, 38144, 38740, 41080, 47084, 47680, 50560, 58855, 61984, 65728, 77480, 82160, 94168, 95360, 101120, 106397, 117710, 123968, 131456, 153023, 154960, 164320, 188336, 190720, 212794, 235420, 247936, 262912, 306046, 309920, 328640, 376672, 425588, 470840, 495872, 531985, 612092, 619840, 657280, 753344, 765115, 851176, 941680, 1063970, 1224184, 1239680, 1314560, 1383161, 1506688, 1530230, 1702352, 1883360, 2127940, 2448368, 2479360, 2766322, 3013376, 3060460, 3404704, 3766720, 4255880, 4896736, 5532644, 6120920, 6809408, 6915805, 7533440, 8405363, 8511760, 9793472, 11065288, 12241840, 13618816, 13831610, 15066880, 15853153, 16810726, 17023520, 19586944, 22130576, 24483680, 27237632, 27663220, 31706306, 33621452, 34047040, 39173888, 42026815, 44261152, 48967360, 55326440, 63412612, 67242904, 68094080, 79265765, 84053630, 88522304, 97934720, 109269719, 110652880, 126825224, 134485808, 136188160, 158531530, 168107260, 177044608, 195869440, 206090989, 218539438, 221305760, 253650448, 268971616, 317063060, 336214520, 354089216, 412181978, 437078876, 442611520, 507300896, 537943232, 546348595, 634126120, 672429040, 824363956, 874157752, 885223040, 1014601792, 1030454945, 1075886464, 1092697190, 1252399087, 1268252240, 1344858080, 1648727912, 1748315504, 1770446080, 2029203584, 2060909890, 2151772928, 2185394380, 2504798174, 2536504480, 2689716160, 3297455824, 3496631008, 4058407168, 4121819780, 4370788760, 5009596348, 5073008960, 5379432320, 6261995435, 6594911648, 6993262016, 8243639560, 8741577520, 10019192696, 10146017920, 10758864640, 12523990870, 13189823296, 13986524032, 16281188131, 16487279120, 17483155040, 20038385392, 20292035840, 25047981740, 26379646592, 27973048064, 32562376262, 32974558240, 34966310080, 40076770784, 50095963480, 52759293184, 65124752524, 65949116480, 69932620160, 80153541568, 81405940655, 100191926960, 130249505048, 131898232960, 139865240320, 160307083136, 162811881310, 200383853920, 260499010096, 263796465920, 320614166272, 325623762620, 400767707840, 520998020192, 651247525240, 801535415680, 1041996040384, 1302495050480, 1603070831360, 2083992080768, 2604990100960, 4167984161536, 5209980201920, 10419960403840, 20839920807680]

約数ペア:

[(1, 20839920807680), (2, 10419960403840), (4, 5209980201920), (5, 4167984161536), (8, 2604990100960), (10, 2083992080768), (13, 1603070831360), (16, 1302495050480), (20, 1041996040384), (26, 801535415680), (32, 651247525240), (40, 520998020192), (52, 400767707840), (64, 325623762620), (65, 320614166272), (79, 263796465920), (80, 260499010096), (104, 200383853920), (128, 162811881310), (130, 160307083136), (149, 139865240320), (158, 131898232960), (160, 130249505048), (208, 100191926960), (256, 81405940655), (260, 80153541568), (298, 69932620160), (316, 65949116480), (320, 65124752524), (395, 52759293184), (416, 50095963480), (520, 40076770784), (596, 34966310080), (632, 32974558240), (640, 32562376262), (745, 27973048064), (790, 26379646592), (832, 25047981740), (1027, 20292035840), (1040, 20038385392), (1192, 17483155040), (1264, 16487279120), (1280, 16281188131), (1490, 13986524032), (1580, 13189823296), (1664, 12523990870), (1937, 10758864640), (2054, 10146017920), (2080, 10019192696), (2384, 8741577520), (2528, 8243639560), (2980, 6993262016), (3160, 6594911648), (3328, 6261995435), (3874, 5379432320), (4108, 5073008960), (4160, 5009596348), (4768, 4370788760), (5056, 4121819780), (5135, 4058407168), (5960, 3496631008), (6320, 3297455824), (7748, 2689716160), (8216, 2536504480), (8320, 2504798174), (9536, 2185394380), (9685, 2151772928), (10112, 2060909890), (10270, 2029203584), (11771, 1770446080), (11920, 1748315504), (12640, 1648727912), (15496, 1344858080), (16432, 1268252240), (16640, 1252399087), (19072, 1092697190), (19370, 1075886464), (20224, 1030454945), (20540, 1014601792), (23542, 885223040), (23840, 874157752), (25280, 824363956), (30992, 672429040), (32864, 634126120), (38144, 546348595), (38740, 537943232), (41080, 507300896), (47084, 442611520), (47680, 437078876), (50560, 412181978), (58855, 354089216), (61984, 336214520), (65728, 317063060), (77480, 268971616), (82160, 253650448), (94168, 221305760), (95360, 218539438), (101120, 206090989), (106397, 195869440), (117710, 177044608), (123968, 168107260), (131456, 158531530), (153023, 136188160), (154960, 134485808), (164320, 126825224), (188336, 110652880), (190720, 109269719), (212794, 97934720), (235420, 88522304), (247936, 84053630), (262912, 79265765), (306046, 68094080), (309920, 67242904), (328640, 63412612), (376672, 55326440), (425588, 48967360), (470840, 44261152), (495872, 42026815), (531985, 39173888), (612092, 34047040), (619840, 33621452), (657280, 31706306), (753344, 27663220), (765115, 27237632), (851176, 24483680), (941680, 22130576), (1063970, 19586944), (1224184, 17023520), (1239680, 16810726), (1314560, 15853153), (1383161, 15066880), (1506688, 13831610), (1530230, 13618816), (1702352, 12241840), (1883360, 11065288), (2127940, 9793472), (2448368, 8511760), (2479360, 8405363), (2766322, 7533440), (3013376, 6915805), (3060460, 6809408), (3404704, 6120920), (3766720, 5532644), (4255880, 4896736)]