19944760320

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1811}}^1$

素因数の和:2081

約数の個数: 264

約数和(自身を含む): 69435550080

約数和(自身を除く): 49490789760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 239, 240, 256, 288, 320, 360, 384, 478, 480, 512, 576, 640, 717, 720, 768, 956, 960, 1024, 1152, 1195, 1280, 1434, 1440, 1536, 1811, 1912, 1920, 2151, 2304, 2390, 2560, 2868, 2880, 3072, 3585, 3622, 3824, 3840, 4302, 4608, 4780, 5120, 5433, 5736, 5760, 7170, 7244, 7648, 7680, 8604, 9055, 9216, 9560, 10755, 10866, 11472, 11520, 14340, 14488, 15296, 15360, 16299, 17208, 18110, 19120, 21510, 21732, 22944, 23040, 27165, 28680, 28976, 30592, 32598, 34416, 36220, 38240, 43020, 43464, 45888, 46080, 54330, 57360, 57952, 61184, 65196, 68832, 72440, 76480, 81495, 86040, 86928, 91776, 108660, 114720, 115904, 122368, 130392, 137664, 144880, 152960, 162990, 172080, 173856, 183552, 217320, 229440, 231808, 244736, 260784, 275328, 289760, 305920, 325980, 344160, 347712, 367104, 432829, 434640, 458880, 463616, 521568, 550656, 579520, 611840, 651960, 688320, 695424, 734208, 865658, 869280, 917760, 927232, 1043136, 1101312, 1159040, 1223680, 1298487, 1303920, 1376640, 1390848, 1731316, 1738560, 1835520, 1854464, 2086272, 2164145, 2202624, 2318080, 2596974, 2607840, 2753280, 2781696, 3462632, 3477120, 3671040, 3895461, 4172544, 4328290, 4636160, 5193948, 5215680, 5506560, 5563392, 6492435, 6925264, 6954240, 7790922, 8345088, 8656580, 9272320, 10387896, 10431360, 11013120, 12984870, 13850528, 13908480, 15581844, 16690176, 17313160, 19477305, 20775792, 20862720, 25969740, 27701056, 27816960, 31163688, 34626320, 38954610, 41551584, 41725440, 51939480, 55402112, 62327376, 69252640, 77909220, 83103168, 83450880, 103878960, 110804224, 124654752, 138505280, 155818440, 166206336, 207757920, 221608448, 249309504, 277010560, 311636880, 332412672, 415515840, 443216896, 498619008, 554021120, 623273760, 664825344, 831031680, 997238016, 1108042240, 1246547520, 1329650688, 1662063360, 1994476032, 2216084480, 2493095040, 3324126720, 3988952064, 4986190080, 6648253440, 9972380160, 19944760320]

約数ペア:

[(1, 19944760320), (2, 9972380160), (3, 6648253440), (4, 4986190080), (5, 3988952064), (6, 3324126720), (8, 2493095040), (9, 2216084480), (10, 1994476032), (12, 1662063360), (15, 1329650688), (16, 1246547520), (18, 1108042240), (20, 997238016), (24, 831031680), (30, 664825344), (32, 623273760), (36, 554021120), (40, 498619008), (45, 443216896), (48, 415515840), (60, 332412672), (64, 311636880), (72, 277010560), (80, 249309504), (90, 221608448), (96, 207757920), (120, 166206336), (128, 155818440), (144, 138505280), (160, 124654752), (180, 110804224), (192, 103878960), (239, 83450880), (240, 83103168), (256, 77909220), (288, 69252640), (320, 62327376), (360, 55402112), (384, 51939480), (478, 41725440), (480, 41551584), (512, 38954610), (576, 34626320), (640, 31163688), (717, 27816960), (720, 27701056), (768, 25969740), (956, 20862720), (960, 20775792), (1024, 19477305), (1152, 17313160), (1195, 16690176), (1280, 15581844), (1434, 13908480), (1440, 13850528), (1536, 12984870), (1811, 11013120), (1912, 10431360), (1920, 10387896), (2151, 9272320), (2304, 8656580), (2390, 8345088), (2560, 7790922), (2868, 6954240), (2880, 6925264), (3072, 6492435), (3585, 5563392), (3622, 5506560), (3824, 5215680), (3840, 5193948), (4302, 4636160), (4608, 4328290), (4780, 4172544), (5120, 3895461), (5433, 3671040), (5736, 3477120), (5760, 3462632), (7170, 2781696), (7244, 2753280), (7648, 2607840), (7680, 2596974), (8604, 2318080), (9055, 2202624), (9216, 2164145), (9560, 2086272), (10755, 1854464), (10866, 1835520), (11472, 1738560), (11520, 1731316), (14340, 1390848), (14488, 1376640), (15296, 1303920), (15360, 1298487), (16299, 1223680), (17208, 1159040), (18110, 1101312), (19120, 1043136), (21510, 927232), (21732, 917760), (22944, 869280), (23040, 865658), (27165, 734208), (28680, 695424), (28976, 688320), (30592, 651960), (32598, 611840), (34416, 579520), (36220, 550656), (38240, 521568), (43020, 463616), (43464, 458880), (45888, 434640), (46080, 432829), (54330, 367104), (57360, 347712), (57952, 344160), (61184, 325980), (65196, 305920), (68832, 289760), (72440, 275328), (76480, 260784), (81495, 244736), (86040, 231808), (86928, 229440), (91776, 217320), (108660, 183552), (114720, 173856), (115904, 172080), (122368, 162990), (130392, 152960), (137664, 144880)]