20687771520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 1024

約数和(自身を含む): 85954176000

約数和(自身を除く): 65266404480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 32, 36, 37, 38, 39, 40, 45, 48, 52, 54, 57, 60, 64, 65, 72, 74, 76, 78, 80, 90, 95, 96, 104, 108, 111, 114, 117, 120, 128, 130, 131, 135, 144, 148, 152, 156, 160, 171, 180, 185, 190, 192, 195, 208, 216, 222, 228, 234, 240, 247, 260, 262, 270, 285, 288, 296, 304, 312, 320, 333, 342, 351, 360, 370, 380, 384, 390, 393, 416, 432, 444, 456, 468, 480, 481, 494, 513, 520, 524, 540, 555, 570, 576, 585, 592, 608, 624, 640, 655, 666, 684, 702, 703, 720, 740, 741, 760, 780, 786, 832, 855, 864, 888, 912, 936, 960, 962, 988, 999, 1026, 1040, 1048, 1080, 1110, 1140, 1152, 1170, 1179, 1184, 1216, 1235, 1248, 1310, 1332, 1368, 1404, 1406, 1440, 1443, 1480, 1482, 1520, 1560, 1572, 1664, 1665, 1703, 1710, 1728, 1755, 1776, 1824, 1872, 1920, 1924, 1965, 1976, 1998, 2052, 2080, 2096, 2109, 2160, 2220, 2223, 2280, 2340, 2358, 2368, 2405, 2432, 2470, 2489, 2496, 2565, 2620, 2664, 2736, 2808, 2812, 2880, 2886, 2960, 2964, 3040, 3120, 3144, 3330, 3406, 3420, 3456, 3510, 3515, 3537, 3552, 3648, 3705, 3744, 3848, 3930, 3952, 3996, 4104, 4160, 4192, 4218, 4320, 4329, 4440, 4446, 4560, 4680, 4716, 4736, 4810, 4847, 4940, 4978, 4992, 4995, 5109, 5130, 5240, 5328, 5472, 5616, 5624, 5760, 5772, 5895, 5920, 5928, 6080, 6240, 6288, 6327, 6660, 6669, 6812, 6840, 7020, 7030, 7074, 7104, 7215, 7296, 7410, 7467, 7488, 7696, 7860, 7904, 7992, 8208, 8320, 8384, 8436, 8515, 8640, 8658, 8880, 8892, 9120, 9139, 9360, 9432, 9620, 9694, 9880, 9956, 9990, 10218, 10260, 10480, 10545, 10656, 10944, 11115, 11232, 11248, 11544, 11790, 11840, 11856, 12160, 12445, 12480, 12576, 12654, 12987, 13320, 13338, 13624, 13680, 14040, 14060, 14148, 14208, 14430, 14541, 14820, 14934, 14976, 15327, 15392, 15720, 15808, 15984, 16416, 16768, 16872, 17030, 17280, 17316, 17685, 17760, 17784, 18240, 18278, 18720, 18864, 18981, 19240, 19388, 19760, 19912, 19980, 20436, 20520, 20960, 21090, 21312, 21645, 21888, 22230, 22401, 22464, 22496, 23088, 23580, 23680, 23712, 24235, 24890, 24960, 25152, 25308, 25545, 25974, 26640, 26676, 27248, 27360, 27417, 28080, 28120, 28296, 28860, 29082, 29640, 29868, 30654, 30784, 31440, 31616, 31635, 31968, 32357, 32832, 33345, 33744, 34060, 34632, 35370, 35520, 35568, 36480, 36556, 37335, 37440, 37728, 37962, 38480, 38776, 39520, 39824, 39960, 40872, 41040, 41920, 42180, 42624, 43290, 43623, 44460, 44802, 44928, 44992, 45695, 45981, 46176, 47160, 47424, 48470, 49780, 50304, 50616, 51090, 51948, 53280, 53352, 54496, 54720, 54834, 56160, 56240, 56592, 57720, 58164, 59280, 59736, 61308, 61568, 62880, 63011, 63270, 63936, 64714, 64935, 65664, 66690, 67203, 67488, 68120, 69264, 70740, 71040, 71136, 72705, 73112, 74670, 74880, 75456, 75924, 76635, 76960, 77552, 79040, 79648, 79920, 81744, 82080, 82251, 83840, 84360, 86580, 87246, 88920, 89604, 89984, 91390, 91962, 92093, 92352, 94320, 94848, 94905, 96940, 97071, 99560, 101232, 102180, 103896, 106560, 106704, 108992, 109440, 109668, 112005, 112320, 112480, 113184, 115440, 116328, 118560, 119472, 122616, 125760, 126022, 126540, 127872, 129428, 129870, 130869, 133380, 134406, 134976, 136240, 137085, 138528, 141480, 142272, 145410, 146224, 149340, 150912, 151848, 153270, 153920, 155104, 158080, 159296, 159840, 161785, 163488, 164160, 164502, 168720, 173160, 174492, 177840, 179208, 182780, 183924, 184186, 184704, 188640, 189033, 189810, 193880, 194142, 199120, 202464, 204360, 207792, 213120, 213408, 217984, 218115, 219336, 224010, 224640, 224960, 226368, 229905, 230880, 232656, 237120, 238944, 245232, 246753, 251520, 252044, 253080, 258856, 259740, 261738, 266760, 268812, 269952, 272480, 274170, 276279, 277056, 282960, 284544, 290820, 291213, 292448, 298680, 303696, 306540, 307840, 310208, 315055, 318592, 319680, 323570, 326976, 328320, 329004, 336015, 337440, 346320, 348984, 355680, 358416, 365560, 367848, 368372, 377280, 378066, 379620, 387760, 388284, 398240, 404928, 408720, 411255, 415584, 426816, 436230, 438672, 448020, 449920, 452736, 459810, 460465, 461760, 465312, 474240, 477888, 485355, 490464, 493506, 504088, 506160, 517712, 519480, 523476, 533520, 537624, 544960, 548340, 552558, 554112, 565920, 567099, 581640, 582426, 584896, 597360, 607392, 613080, 620416, 630110, 639360, 647140, 653952, 654345, 658008, 672030, 674880, 692640, 697968, 711360, 716832, 731120, 735696, 736744, 754560, 756132, 759240, 775520, 776568, 796480, 809856, 817440, 822510, 828837, 831168, 853632, 872460, 873639, 877344, 896040, 919620, 920930, 923520, 930624, 945165, 955776, 970710, 980928, 987012, 1008176, 1012320, 1035424, 1038960, 1046952, 1067040, 1075248, 1089920, 1096680, 1105116, 1131840, 1134198, 1163280, 1164852, 1169792, 1194720, 1197209, 1214784, 1226160, 1233765, 1260220, 1294280, 1308690, 1316016, 1344060, 1349760, 1381395, 1385280, 1395936, 1422720, 1433664, 1456065, 1462240, 1471392, 1473488, 1512264, 1518480, 1551040, 1553136, 1592960, 1634880, 1645020, 1657674, 1662336, 1701297, 1744920, 1747278, 1754688, 1792080, 1839240, 1841860, 1861248, 1890330, 1941420, 1961856, 1974024, 2016352, 2024640, 2070848, 2077920, 2093904, 2134080, 2150496, 2193360, 2210232, 2263680, 2268396, 2326560, 2329704, 2389440, 2394418, 2429568, 2452320, 2467530, 2486511, 2520440, 2588560, 2617380, 2632032, 2688120, 2762790, 2770560, 2791872, 2835495, 2867328, 2912130, 2924480, 2942784, 2946976, 3024528, 3036960, 3102080, 3106272, 3269760, 3290040, 3315348, 3402594, 3489840, 3494556, 3509376, 3584160, 3591627, 3678480, 3683720, 3780660, 3882840, 3948048, 4032704, 4049280, 4141696, 4144185, 4155840, 4187808, 4268160, 4300992, 4368195, 4386720, 4420464, 4536792, 4653120, 4659408, 4778880, 4788836, 4904640, 4935060, 4973022, 5040880, 5177120, 5234760, 5264064, 5376240, 5525580, 5583744, 5670990, 5824260, 5848960, 5885568, 5893952, 5986045, 6049056, 6073920, 6212544, 6580080, 6630696, 6805188, 6979680, 6989112, 7168320, 7183254, 7356960, 7367440, 7561320, 7765680, 7896096, 8065408, 8288370, 8311680, 8375616, 8506485, 8601984, 8736390, 8773440, 8840928, 9073584, 9306240, 9318816, 9577672, 9809280, 9870120, 9946044, 10081760, 10354240, 10469520, 10528128, 10752480, 10774881, 11051160, 11341980, 11648520, 11787904, 11972090, 12098112, 12147840, 12425088, 12432555, 13160160, 13261392, 13610376, 13959360, 13978224, 14336640, 14366508, 14713920, 14734880, 15122640, 15531360, 15792192, 16576740, 16751232, 17012970, 17472780, 17546880, 17681856, 17958135, 18147168, 18637632, 19155344, 19740240, 19892088, 20163520, 20708480, 20939040, 21504960, 21549762, 22102320, 22683960, 23297040, 23944180, 24196224, 24865110, 26320320, 26522784, 27220752, 27918720, 27956448, 28733016, 29427840, 29469760, 30245280, 31062720, 31584384, 32324643, 33153480, 34025940, 34945560, 35363712, 35916270, 36294336, 37275264, 38310688, 39480480, 39784176, 40327040, 41878080, 43009920, 43099524, 44204640, 45367920, 46594080, 47888360, 49730220, 52640640, 53045568, 53874405, 54441504, 55912896, 57466032, 58939520, 60490560, 62125440, 64649286, 66306960, 68051880, 69891120, 71832540, 72588672, 76621376, 78960960, 79568352, 83756160, 86199048, 88409280, 90735840, 93188160, 95776720, 99460440, 106091136, 107748810, 108883008, 111825792, 114932064, 120981120, 129298572, 132613920, 136103760, 139782240, 143665080, 153242752, 157921920, 159136704, 161623215, 172398096, 176818560, 181471680, 186376320, 191553440, 198920880, 215497620, 217766016, 229864128, 258597144, 265227840, 272207520, 279564480, 287330160, 318273408, 323246430, 344796192, 362943360, 383106880, 397841760, 430995240, 459728256, 517194288, 530455680, 544415040, 559128960, 574660320, 646492860, 689592384, 766213760, 795683520, 861990480, 1034388576, 1088830080, 1149320640, 1292985720, 1379184768, 1591367040, 1723980960, 2068777152, 2298641280, 2585971440, 3447961920, 4137554304, 5171942880, 6895923840, 10343885760, 20687771520]

約数ペア:

[(1, 20687771520), (2, 10343885760), (3, 6895923840), (4, 5171942880), (5, 4137554304), (6, 3447961920), (8, 2585971440), (9, 2298641280), (10, 2068777152), (12, 1723980960), (13, 1591367040), (15, 1379184768), (16, 1292985720), (18, 1149320640), (19, 1088830080), (20, 1034388576), (24, 861990480), (26, 795683520), (27, 766213760), (30, 689592384), (32, 646492860), (36, 574660320), (37, 559128960), (38, 544415040), (39, 530455680), (40, 517194288), (45, 459728256), (48, 430995240), (52, 397841760), (54, 383106880), (57, 362943360), (60, 344796192), (64, 323246430), (65, 318273408), (72, 287330160), (74, 279564480), (76, 272207520), (78, 265227840), (80, 258597144), (90, 229864128), (95, 217766016), (96, 215497620), (104, 198920880), (108, 191553440), (111, 186376320), (114, 181471680), (117, 176818560), (120, 172398096), (128, 161623215), (130, 159136704), (131, 157921920), (135, 153242752), (144, 143665080), (148, 139782240), (152, 136103760), (156, 132613920), (160, 129298572), (171, 120981120), (180, 114932064), (185, 111825792), (190, 108883008), (192, 107748810), (195, 106091136), (208, 99460440), (216, 95776720), (222, 93188160), (228, 90735840), (234, 88409280), (240, 86199048), (247, 83756160), (260, 79568352), (262, 78960960), (270, 76621376), (285, 72588672), (288, 71832540), (296, 69891120), (304, 68051880), (312, 66306960), (320, 64649286), (333, 62125440), (342, 60490560), (351, 58939520), (360, 57466032), (370, 55912896), (380, 54441504), (384, 53874405), (390, 53045568), (393, 52640640), (416, 49730220), (432, 47888360), (444, 46594080), (456, 45367920), (468, 44204640), (480, 43099524), (481, 43009920), (494, 41878080), (513, 40327040), (520, 39784176), (524, 39480480), (540, 38310688), (555, 37275264), (570, 36294336), (576, 35916270), (585, 35363712), (592, 34945560), (608, 34025940), (624, 33153480), (640, 32324643), (655, 31584384), (666, 31062720), (684, 30245280), (702, 29469760), (703, 29427840), (720, 28733016), (740, 27956448), (741, 27918720), (760, 27220752), (780, 26522784), (786, 26320320), (832, 24865110), (855, 24196224), (864, 23944180), (888, 23297040), (912, 22683960), (936, 22102320), (960, 21549762), (962, 21504960), (988, 20939040), (999, 20708480), (1026, 20163520), (1040, 19892088), (1048, 19740240), (1080, 19155344), (1110, 18637632), (1140, 18147168), (1152, 17958135), (1170, 17681856), (1179, 17546880), (1184, 17472780), (1216, 17012970), (1235, 16751232), (1248, 16576740), (1310, 15792192), (1332, 15531360), (1368, 15122640), (1404, 14734880), (1406, 14713920), (1440, 14366508), (1443, 14336640), (1480, 13978224), (1482, 13959360), (1520, 13610376), (1560, 13261392), (1572, 13160160), (1664, 12432555), (1665, 12425088), (1703, 12147840), (1710, 12098112), (1728, 11972090), (1755, 11787904), (1776, 11648520), (1824, 11341980), (1872, 11051160), (1920, 10774881), (1924, 10752480), (1965, 10528128), (1976, 10469520), (1998, 10354240), (2052, 10081760), (2080, 9946044), (2096, 9870120), (2109, 9809280), (2160, 9577672), (2220, 9318816), (2223, 9306240), (2280, 9073584), (2340, 8840928), (2358, 8773440), (2368, 8736390), (2405, 8601984), (2432, 8506485), (2470, 8375616), (2489, 8311680), (2496, 8288370), (2565, 8065408), (2620, 7896096), (2664, 7765680), (2736, 7561320), (2808, 7367440), (2812, 7356960), (2880, 7183254), (2886, 7168320), (2960, 6989112), (2964, 6979680), (3040, 6805188), (3120, 6630696), (3144, 6580080), (3330, 6212544), (3406, 6073920), (3420, 6049056), (3456, 5986045), (3510, 5893952), (3515, 5885568), (3537, 5848960), (3552, 5824260), (3648, 5670990), (3705, 5583744), (3744, 5525580), (3848, 5376240), (3930, 5264064), (3952, 5234760), (3996, 5177120), (4104, 5040880), (4160, 4973022), (4192, 4935060), (4218, 4904640), (4320, 4788836), (4329, 4778880), (4440, 4659408), (4446, 4653120), (4560, 4536792), (4680, 4420464), (4716, 4386720), (4736, 4368195), (4810, 4300992), (4847, 4268160), (4940, 4187808), (4978, 4155840), (4992, 4144185), (4995, 4141696), (5109, 4049280), (5130, 4032704), (5240, 3948048), (5328, 3882840), (5472, 3780660), (5616, 3683720), (5624, 3678480), (5760, 3591627), (5772, 3584160), (5895, 3509376), (5920, 3494556), (5928, 3489840), (6080, 3402594), (6240, 3315348), (6288, 3290040), (6327, 3269760), (6660, 3106272), (6669, 3102080), (6812, 3036960), (6840, 3024528), (7020, 2946976), (7030, 2942784), (7074, 2924480), (7104, 2912130), (7215, 2867328), (7296, 2835495), (7410, 2791872), (7467, 2770560), (7488, 2762790), (7696, 2688120), (7860, 2632032), (7904, 2617380), (7992, 2588560), (8208, 2520440), (8320, 2486511), (8384, 2467530), (8436, 2452320), (8515, 2429568), (8640, 2394418), (8658, 2389440), (8880, 2329704), (8892, 2326560), (9120, 2268396), (9139, 2263680), (9360, 2210232), (9432, 2193360), (9620, 2150496), (9694, 2134080), (9880, 2093904), (9956, 2077920), (9990, 2070848), (10218, 2024640), (10260, 2016352), (10480, 1974024), (10545, 1961856), (10656, 1941420), (10944, 1890330), (11115, 1861248), (11232, 1841860), (11248, 1839240), (11544, 1792080), (11790, 1754688), (11840, 1747278), (11856, 1744920), (12160, 1701297), (12445, 1662336), (12480, 1657674), (12576, 1645020), (12654, 1634880), (12987, 1592960), (13320, 1553136), (13338, 1551040), (13624, 1518480), (13680, 1512264), (14040, 1473488), (14060, 1471392), (14148, 1462240), (14208, 1456065), (14430, 1433664), (14541, 1422720), (14820, 1395936), (14934, 1385280), (14976, 1381395), (15327, 1349760), (15392, 1344060), (15720, 1316016), (15808, 1308690), (15984, 1294280), (16416, 1260220), (16768, 1233765), (16872, 1226160), (17030, 1214784), (17280, 1197209), (17316, 1194720), (17685, 1169792), (17760, 1164852), (17784, 1163280), (18240, 1134198), (18278, 1131840), (18720, 1105116), (18864, 1096680), (18981, 1089920), (19240, 1075248), (19388, 1067040), (19760, 1046952), (19912, 1038960), (19980, 1035424), (20436, 1012320), (20520, 1008176), (20960, 987012), (21090, 980928), (21312, 970710), (21645, 955776), (21888, 945165), (22230, 930624), (22401, 923520), (22464, 920930), (22496, 919620), (23088, 896040), (23580, 877344), (23680, 873639), (23712, 872460), (24235, 853632), (24890, 831168), (24960, 828837), (25152, 822510), (25308, 817440), (25545, 809856), (25974, 796480), (26640, 776568), (26676, 775520), (27248, 759240), (27360, 756132), (27417, 754560), (28080, 736744), (28120, 735696), (28296, 731120), (28860, 716832), (29082, 711360), (29640, 697968), (29868, 692640), (30654, 674880), (30784, 672030), (31440, 658008), (31616, 654345), (31635, 653952), (31968, 647140), (32357, 639360), (32832, 630110), (33345, 620416), (33744, 613080), (34060, 607392), (34632, 597360), (35370, 584896), (35520, 582426), (35568, 581640), (36480, 567099), (36556, 565920), (37335, 554112), (37440, 552558), (37728, 548340), (37962, 544960), (38480, 537624), (38776, 533520), (39520, 523476), (39824, 519480), (39960, 517712), (40872, 506160), (41040, 504088), (41920, 493506), (42180, 490464), (42624, 485355), (43290, 477888), (43623, 474240), (44460, 465312), (44802, 461760), (44928, 460465), (44992, 459810), (45695, 452736), (45981, 449920), (46176, 448020), (47160, 438672), (47424, 436230), (48470, 426816), (49780, 415584), (50304, 411255), (50616, 408720), (51090, 404928), (51948, 398240), (53280, 388284), (53352, 387760), (54496, 379620), (54720, 378066), (54834, 377280), (56160, 368372), (56240, 367848), (56592, 365560), (57720, 358416), (58164, 355680), (59280, 348984), (59736, 346320), (61308, 337440), (61568, 336015), (62880, 329004), (63011, 328320), (63270, 326976), (63936, 323570), (64714, 319680), (64935, 318592), (65664, 315055), (66690, 310208), (67203, 307840), (67488, 306540), (68120, 303696), (69264, 298680), (70740, 292448), (71040, 291213), (71136, 290820), (72705, 284544), (73112, 282960), (74670, 277056), (74880, 276279), (75456, 274170), (75924, 272480), (76635, 269952), (76960, 268812), (77552, 266760), (79040, 261738), (79648, 259740), (79920, 258856), (81744, 253080), (82080, 252044), (82251, 251520), (83840, 246753), (84360, 245232), (86580, 238944), (87246, 237120), (88920, 232656), (89604, 230880), (89984, 229905), (91390, 226368), (91962, 224960), (92093, 224640), (92352, 224010), (94320, 219336), (94848, 218115), (94905, 217984), (96940, 213408), (97071, 213120), (99560, 207792), (101232, 204360), (102180, 202464), (103896, 199120), (106560, 194142), (106704, 193880), (108992, 189810), (109440, 189033), (109668, 188640), (112005, 184704), (112320, 184186), (112480, 183924), (113184, 182780), (115440, 179208), (116328, 177840), (118560, 174492), (119472, 173160), (122616, 168720), (125760, 164502), (126022, 164160), (126540, 163488), (127872, 161785), (129428, 159840), (129870, 159296), (130869, 158080), (133380, 155104), (134406, 153920), (134976, 153270), (136240, 151848), (137085, 150912), (138528, 149340), (141480, 146224), (142272, 145410)]