638586270720

素因数分解:

$2^{10}\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5519}}^1$

素因数の和:5593

約数の個数: 616

約数和(自身を含む): 2371255280640

約数和(自身を除く): 1732669009920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 243, 248, 256, 270, 279, 288, 310, 320, 324, 360, 372, 384, 405, 432, 465, 480, 486, 496, 512, 540, 558, 576, 620, 640, 648, 720, 729, 744, 768, 810, 837, 864, 930, 960, 972, 992, 1024, 1080, 1116, 1152, 1215, 1240, 1280, 1296, 1395, 1440, 1458, 1488, 1536, 1620, 1674, 1728, 1860, 1920, 1944, 1984, 2160, 2232, 2304, 2430, 2480, 2511, 2560, 2592, 2790, 2880, 2916, 2976, 3072, 3240, 3348, 3456, 3645, 3720, 3840, 3888, 3968, 4185, 4320, 4464, 4608, 4860, 4960, 5022, 5120, 5184, 5519, 5580, 5760, 5832, 5952, 6480, 6696, 6912, 7290, 7440, 7533, 7680, 7776, 7936, 8370, 8640, 8928, 9216, 9720, 9920, 10044, 10368, 11038, 11160, 11520, 11664, 11904, 12555, 12960, 13392, 13824, 14580, 14880, 15066, 15360, 15552, 15872, 16557, 16740, 17280, 17856, 19440, 19840, 20088, 20736, 22076, 22320, 22599, 23040, 23328, 23808, 25110, 25920, 26784, 27595, 27648, 29160, 29760, 30132, 31104, 31744, 33114, 33480, 34560, 35712, 37665, 38880, 39680, 40176, 41472, 44152, 44640, 45198, 46080, 46656, 47616, 49671, 50220, 51840, 53568, 55190, 58320, 59520, 60264, 62208, 66228, 66960, 69120, 71424, 75330, 77760, 79360, 80352, 82785, 82944, 88304, 89280, 90396, 93312, 95232, 99342, 100440, 103680, 107136, 110380, 112995, 116640, 119040, 120528, 124416, 132456, 133920, 138240, 142848, 149013, 150660, 155520, 158720, 160704, 165570, 171089, 176608, 178560, 180792, 186624, 198684, 200880, 207360, 214272, 220760, 225990, 233280, 238080, 241056, 248355, 248832, 264912, 267840, 285696, 298026, 301320, 311040, 321408, 331140, 342178, 353216, 357120, 361584, 373248, 397368, 401760, 414720, 428544, 441520, 447039, 451980, 466560, 476160, 482112, 496710, 513267, 529824, 535680, 596052, 602640, 622080, 642816, 662280, 684356, 706432, 714240, 723168, 745065, 746496, 794736, 803520, 855445, 857088, 883040, 894078, 903960, 933120, 964224, 993420, 1026534, 1059648, 1071360, 1192104, 1205280, 1244160, 1285632, 1324560, 1341117, 1368712, 1412864, 1428480, 1446336, 1490130, 1539801, 1589472, 1607040, 1710890, 1766080, 1788156, 1807920, 1866240, 1928448, 1986840, 2053068, 2119296, 2142720, 2235195, 2384208, 2410560, 2566335, 2571264, 2649120, 2682234, 2737424, 2825728, 2892672, 2980260, 3079602, 3178944, 3214080, 3421780, 3532160, 3576312, 3615840, 3732480, 3856896, 3973680, 4023351, 4106136, 4238592, 4285440, 4470390, 4619403, 4768416, 4821120, 5132670, 5298240, 5364468, 5474848, 5651456, 5785344, 5960520, 6159204, 6357888, 6428160, 6705585, 6843560, 7064320, 7152624, 7231680, 7699005, 7713792, 7947360, 8046702, 8212272, 8477184, 8940780, 9238806, 9536832, 9642240, 10265340, 10596480, 10728936, 10949696, 11570688, 11921040, 12318408, 12715776, 12856320, 13411170, 13687120, 13858209, 14128640, 14305248, 14463360, 15398010, 15894720, 16093404, 16424544, 16954368, 17881560, 18477612, 19073664, 19284480, 20116755, 20530680, 21192960, 21457872, 21899392, 23097015, 23141376, 23842080, 24636816, 25431552, 26822340, 27374240, 27716418, 28257280, 28610496, 28926720, 30796020, 31789440, 32186808, 32849088, 35763120, 36955224, 38147328, 38568960, 40233510, 41061360, 41574627, 42385920, 42915744, 43798784, 46194030, 47684160, 49273632, 50863104, 53644680, 54748480, 55432836, 57220992, 57853440, 61592040, 63578880, 64373616, 65698176, 69291045, 71526240, 73910448, 76294656, 80467020, 82122720, 83149254, 84771840, 85831488, 87597568, 92388060, 95368320, 98547264, 107289360, 109496960, 110865672, 114441984, 115706880, 123184080, 124723881, 127157760, 128747232, 131396352, 138582090, 143052480, 147820896, 152589312, 160934040, 164245440, 166298508, 171662976, 175195136, 184776120, 190736640, 197094528, 207873135, 214578720, 218993920, 221731344, 228883968, 246368160, 249447762, 254315520, 257494464, 262792704, 277164180, 286104960, 295641792, 321868080, 328490880, 332597016, 343325952, 369552240, 381473280, 394189056, 415746270, 429157440, 437987840, 443462688, 457767936, 492736320, 498895524, 514988928, 525585408, 554328360, 572209920, 591283584, 623619405, 643736160, 656981760, 665194032, 686651904, 739104480, 762946560, 788378112, 831492540, 858314880, 875975680, 886925376, 985472640, 997791048, 1029977856, 1108656720, 1144419840, 1182567168, 1247238810, 1287472320, 1313963520, 1330388064, 1373303808, 1478208960, 1576756224, 1662985080, 1716629760, 1773850752, 1970945280, 1995582096, 2059955712, 2217313440, 2288839680, 2365134336, 2494477620, 2574944640, 2627927040, 2660776128, 2956417920, 3325970160, 3433259520, 3547701504, 3941890560, 3991164192, 4119911424, 4434626880, 4730268672, 4988955240, 5149889280, 5321552256, 5912835840, 6651940320, 6866519040, 7095403008, 7883781120, 7982328384, 8869253760, 9977910480, 10299778560, 10643104512, 11825671680, 13303880640, 14190806016, 15964656768, 17738507520, 19955820960, 20599557120, 21286209024, 23651343360, 26607761280, 31929313536, 35477015040, 39911641920, 42572418048, 53215522560, 63858627072, 70954030080, 79823283840, 106431045120, 127717254144, 159646567680, 212862090240, 319293135360, 638586270720]

約数ペア:

[(1, 638586270720), (2, 319293135360), (3, 212862090240), (4, 159646567680), (5, 127717254144), (6, 106431045120), (8, 79823283840), (9, 70954030080), (10, 63858627072), (12, 53215522560), (15, 42572418048), (16, 39911641920), (18, 35477015040), (20, 31929313536), (24, 26607761280), (27, 23651343360), (30, 21286209024), (31, 20599557120), (32, 19955820960), (36, 17738507520), (40, 15964656768), (45, 14190806016), (48, 13303880640), (54, 11825671680), (60, 10643104512), (62, 10299778560), (64, 9977910480), (72, 8869253760), (80, 7982328384), (81, 7883781120), (90, 7095403008), (93, 6866519040), (96, 6651940320), (108, 5912835840), (120, 5321552256), (124, 5149889280), (128, 4988955240), (135, 4730268672), (144, 4434626880), (155, 4119911424), (160, 3991164192), (162, 3941890560), (180, 3547701504), (186, 3433259520), (192, 3325970160), (216, 2956417920), (240, 2660776128), (243, 2627927040), (248, 2574944640), (256, 2494477620), (270, 2365134336), (279, 2288839680), (288, 2217313440), 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(53568, 11921040), (55190, 11570688), (58320, 10949696), (59520, 10728936), (60264, 10596480), (62208, 10265340), (66228, 9642240), (66960, 9536832), (69120, 9238806), (71424, 8940780), (75330, 8477184), (77760, 8212272), (79360, 8046702), (80352, 7947360), (82785, 7713792), (82944, 7699005), (88304, 7231680), (89280, 7152624), (90396, 7064320), (93312, 6843560), (95232, 6705585), (99342, 6428160), (100440, 6357888), (103680, 6159204), (107136, 5960520), (110380, 5785344), (112995, 5651456), (116640, 5474848), (119040, 5364468), (120528, 5298240), (124416, 5132670), (132456, 4821120), (133920, 4768416), (138240, 4619403), (142848, 4470390), (149013, 4285440), (150660, 4238592), (155520, 4106136), (158720, 4023351), (160704, 3973680), (165570, 3856896), (171089, 3732480), (176608, 3615840), (178560, 3576312), (180792, 3532160), (186624, 3421780), (198684, 3214080), (200880, 3178944), (207360, 3079602), (214272, 2980260), (220760, 2892672), (225990, 2825728), (233280, 2737424), (238080, 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