20657237760

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:405

約数の個数: 576

約数和(自身を含む): 78038284800

約数和(自身を除く): 57381047040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 163, 171, 180, 190, 192, 193, 216, 228, 240, 256, 270, 285, 288, 304, 320, 326, 342, 360, 380, 384, 386, 432, 456, 480, 489, 513, 540, 570, 576, 579, 608, 640, 652, 684, 720, 760, 768, 772, 815, 855, 864, 912, 960, 965, 978, 1026, 1080, 1140, 1152, 1158, 1216, 1280, 1304, 1368, 1440, 1467, 1520, 1544, 1630, 1710, 1728, 1737, 1824, 1920, 1930, 1956, 2052, 2160, 2280, 2304, 2316, 2432, 2445, 2565, 2608, 2736, 2880, 2895, 2934, 3040, 3088, 3097, 3260, 3420, 3456, 3474, 3648, 3667, 3840, 3860, 3912, 4104, 4320, 4401, 4560, 4632, 4864, 4890, 5130, 5211, 5216, 5472, 5760, 5790, 5868, 6080, 6176, 6194, 6520, 6840, 6912, 6948, 7296, 7334, 7335, 7720, 7824, 8208, 8640, 8685, 8802, 9120, 9264, 9291, 9780, 10260, 10422, 10432, 10944, 11001, 11520, 11580, 11736, 12160, 12352, 12388, 13040, 13680, 13896, 14592, 14668, 14670, 15440, 15485, 15648, 16416, 17280, 17370, 17604, 18240, 18335, 18528, 18582, 19560, 20520, 20844, 20864, 21888, 22002, 22005, 23160, 23472, 24320, 24704, 24776, 26055, 26080, 27360, 27792, 27873, 29336, 29340, 30880, 30970, 31296, 31459, 32832, 33003, 34560, 34740, 35208, 36480, 36670, 37056, 37164, 39120, 41040, 41688, 41728, 43776, 44004, 44010, 46320, 46455, 46944, 49408, 49552, 52110, 52160, 54720, 55005, 55584, 55746, 58672, 58680, 61760, 61940, 62592, 62918, 65664, 66006, 69480, 70416, 72960, 73340, 74112, 74328, 78240, 82080, 83376, 83619, 88008, 88020, 92640, 92910, 93888, 94377, 99009, 99104, 104220, 104320, 109440, 110010, 111168, 111492, 117344, 117360, 123520, 123880, 125184, 125836, 131328, 132012, 138960, 139365, 140832, 146680, 148224, 148656, 156480, 157295, 164160, 165015, 166752, 167238, 176016, 176040, 185280, 185820, 187776, 188754, 198018, 198208, 208440, 208640, 218880, 220020, 222336, 222984, 234688, 234720, 247040, 247760, 251672, 264024, 277920, 278730, 281664, 283131, 293360, 297312, 312960, 314590, 328320, 330030, 333504, 334476, 352032, 352080, 370560, 371640, 375552, 377508, 396036, 396416, 416880, 418095, 440040, 444672, 445968, 469376, 469440, 471885, 495045, 495520, 503344, 528048, 555840, 557460, 563328, 566262, 586720, 594624, 597721, 625920, 629180, 656640, 660060, 667008, 668952, 704064, 704160, 741120, 743280, 755016, 792072, 792832, 833760, 836190, 849393, 880080, 891936, 938752, 938880, 943770, 990090, 991040, 1006688, 1056096, 1111680, 1114920, 1126656, 1132524, 1173440, 1189248, 1195442, 1258360, 1320120, 1334016, 1337904, 1408128, 1408320, 1415655, 1486560, 1510032, 1584144, 1667520, 1672380, 1698786, 1760160, 1783872, 1793163, 1877760, 1887540, 1980180, 1982080, 2013376, 2112192, 2223360, 2229840, 2265048, 2346880, 2378496, 2390884, 2516720, 2640240, 2675808, 2816256, 2816640, 2831310, 2973120, 2988605, 3020064, 3168288, 3335040, 3344760, 3397572, 3520320, 3567744, 3586326, 3775080, 3960360, 3964160, 4026752, 4224384, 4246965, 4459680, 4530096, 4693760, 4781768, 5033440, 5280480, 5351616, 5379489, 5633280, 5662620, 5946240, 5977210, 6040128, 6336576, 6670080, 6689520, 6795144, 7040640, 7135488, 7172652, 7550160, 7920720, 8053504, 8448768, 8493930, 8919360, 8965815, 9060192, 9563536, 10066880, 10560960, 10703232, 10758978, 11325240, 11892480, 11954420, 12080256, 12673152, 13379040, 13590288, 14081280, 14345304, 15100320, 15841440, 16138467, 16987860, 17838720, 17931630, 18120384, 19127072, 20133760, 21121920, 21406464, 21517956, 22650480, 23908840, 24160512, 25346304, 26758080, 26897445, 27180576, 28690608, 30200640, 31682880, 32276934, 33975720, 35677440, 35863260, 36240768, 38254144, 40267520, 42243840, 43035912, 45300960, 47817680, 53516160, 53794890, 54361152, 57381216, 60401280, 63365760, 64553868, 67951440, 71726520, 72481536, 76508288, 80692335, 86071824, 90601920, 95635360, 107032320, 107589780, 108722304, 114762432, 120802560, 126731520, 129107736, 135902880, 143453040, 153016576, 161384670, 172143648, 181203840, 191270720, 215179560, 217444608, 229524864, 258215472, 271805760, 286906080, 322769340, 344287296, 362407680, 382541440, 430359120, 459049728, 516430944, 543611520, 573812160, 645538680, 688574592, 765082880, 860718240, 1032861888, 1087223040, 1147624320, 1291077360, 1377149184, 1721436480, 2065723776, 2295248640, 2582154720, 3442872960, 4131447552, 5164309440, 6885745920, 10328618880, 20657237760]

約数ペア:

[(1, 20657237760), (2, 10328618880), (3, 6885745920), (4, 5164309440), (5, 4131447552), (6, 3442872960), (8, 2582154720), (9, 2295248640), (10, 2065723776), (12, 1721436480), (15, 1377149184), (16, 1291077360), (18, 1147624320), (19, 1087223040), (20, 1032861888), (24, 860718240), (27, 765082880), (30, 688574592), (32, 645538680), (36, 573812160), (38, 543611520), (40, 516430944), (45, 459049728), (48, 430359120), (54, 382541440), (57, 362407680), (60, 344287296), (64, 322769340), (72, 286906080), (76, 271805760), (80, 258215472), (90, 229524864), (95, 217444608), (96, 215179560), (108, 191270720), (114, 181203840), (120, 172143648), (128, 161384670), (135, 153016576), (144, 143453040), (152, 135902880), (160, 129107736), (163, 126731520), (171, 120802560), (180, 114762432), (190, 108722304), (192, 107589780), (193, 107032320), (216, 95635360), (228, 90601920), (240, 86071824), (256, 80692335), (270, 76508288), (285, 72481536), (288, 71726520), (304, 67951440), (320, 64553868), (326, 63365760), (342, 60401280), (360, 57381216), (380, 54361152), (384, 53794890), (386, 53516160), (432, 47817680), (456, 45300960), (480, 43035912), (489, 42243840), (513, 40267520), (540, 38254144), (570, 36240768), (576, 35863260), (579, 35677440), (608, 33975720), (640, 32276934), (652, 31682880), (684, 30200640), (720, 28690608), (760, 27180576), (768, 26897445), (772, 26758080), (815, 25346304), (855, 24160512), (864, 23908840), (912, 22650480), (960, 21517956), (965, 21406464), (978, 21121920), (1026, 20133760), (1080, 19127072), (1140, 18120384), (1152, 17931630), (1158, 17838720), (1216, 16987860), (1280, 16138467), (1304, 15841440), (1368, 15100320), (1440, 14345304), (1467, 14081280), (1520, 13590288), (1544, 13379040), (1630, 12673152), (1710, 12080256), (1728, 11954420), (1737, 11892480), (1824, 11325240), (1920, 10758978), (1930, 10703232), (1956, 10560960), (2052, 10066880), (2160, 9563536), (2280, 9060192), (2304, 8965815), (2316, 8919360), (2432, 8493930), (2445, 8448768), (2565, 8053504), (2608, 7920720), (2736, 7550160), (2880, 7172652), (2895, 7135488), (2934, 7040640), (3040, 6795144), (3088, 6689520), (3097, 6670080), (3260, 6336576), (3420, 6040128), (3456, 5977210), (3474, 5946240), (3648, 5662620), (3667, 5633280), (3840, 5379489), (3860, 5351616), (3912, 5280480), (4104, 5033440), (4320, 4781768), (4401, 4693760), (4560, 4530096), (4632, 4459680), (4864, 4246965), (4890, 4224384), (5130, 4026752), (5211, 3964160), (5216, 3960360), (5472, 3775080), (5760, 3586326), (5790, 3567744), (5868, 3520320), (6080, 3397572), (6176, 3344760), (6194, 3335040), (6520, 3168288), (6840, 3020064), (6912, 2988605), (6948, 2973120), (7296, 2831310), (7334, 2816640), (7335, 2816256), (7720, 2675808), (7824, 2640240), (8208, 2516720), (8640, 2390884), (8685, 2378496), (8802, 2346880), (9120, 2265048), (9264, 2229840), (9291, 2223360), (9780, 2112192), (10260, 2013376), (10422, 1982080), (10432, 1980180), (10944, 1887540), (11001, 1877760), (11520, 1793163), (11580, 1783872), (11736, 1760160), (12160, 1698786), (12352, 1672380), (12388, 1667520), (13040, 1584144), (13680, 1510032), (13896, 1486560), (14592, 1415655), (14668, 1408320), (14670, 1408128), (15440, 1337904), (15485, 1334016), (15648, 1320120), (16416, 1258360), (17280, 1195442), (17370, 1189248), (17604, 1173440), (18240, 1132524), (18335, 1126656), (18528, 1114920), (18582, 1111680), (19560, 1056096), (20520, 1006688), (20844, 991040), (20864, 990090), (21888, 943770), (22002, 938880), (22005, 938752), (23160, 891936), (23472, 880080), (24320, 849393), (24704, 836190), (24776, 833760), (26055, 792832), (26080, 792072), (27360, 755016), (27792, 743280), (27873, 741120), (29336, 704160), (29340, 704064), (30880, 668952), (30970, 667008), (31296, 660060), (31459, 656640), (32832, 629180), (33003, 625920), (34560, 597721), (34740, 594624), (35208, 586720), (36480, 566262), (36670, 563328), (37056, 557460), (37164, 555840), (39120, 528048), (41040, 503344), (41688, 495520), (41728, 495045), (43776, 471885), (44004, 469440), (44010, 469376), (46320, 445968), (46455, 444672), (46944, 440040), (49408, 418095), (49552, 416880), (52110, 396416), (52160, 396036), (54720, 377508), (55005, 375552), (55584, 371640), (55746, 370560), (58672, 352080), (58680, 352032), (61760, 334476), (61940, 333504), (62592, 330030), (62918, 328320), (65664, 314590), (66006, 312960), (69480, 297312), (70416, 293360), (72960, 283131), (73340, 281664), (74112, 278730), (74328, 277920), (78240, 264024), (82080, 251672), (83376, 247760), (83619, 247040), (88008, 234720), (88020, 234688), (92640, 222984), (92910, 222336), (93888, 220020), (94377, 218880), (99009, 208640), (99104, 208440), (104220, 198208), (104320, 198018), (109440, 188754), (110010, 187776), (111168, 185820), (111492, 185280), (117344, 176040), (117360, 176016), (123520, 167238), (123880, 166752), (125184, 165015), (125836, 164160), (131328, 157295), (132012, 156480), (138960, 148656), (139365, 148224), (140832, 146680)]