20157863040

素因数分解:

$2^7\times 3^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 1024

約数和(自身を含む): 88128000000

約数和(自身を除く): 67970136960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 147, 152, 160, 168, 171, 179, 180, 189, 190, 192, 196, 210, 216, 224, 228, 240, 245, 252, 266, 270, 280, 285, 288, 294, 304, 315, 320, 336, 342, 343, 358, 360, 378, 380, 384, 392, 399, 420, 432, 441, 448, 456, 480, 490, 504, 513, 532, 537, 540, 560, 570, 576, 588, 608, 630, 640, 665, 672, 684, 686, 716, 720, 735, 756, 760, 784, 798, 840, 855, 864, 882, 895, 896, 912, 931, 945, 960, 980, 1008, 1026, 1029, 1064, 1074, 1080, 1120, 1140, 1152, 1176, 1197, 1216, 1253, 1260, 1323, 1330, 1344, 1368, 1372, 1432, 1440, 1470, 1512, 1520, 1568, 1596, 1611, 1680, 1710, 1715, 1728, 1764, 1790, 1824, 1862, 1890, 1920, 1960, 1995, 2016, 2052, 2058, 2128, 2148, 2160, 2205, 2240, 2280, 2352, 2394, 2432, 2506, 2520, 2565, 2646, 2660, 2685, 2688, 2736, 2744, 2793, 2864, 2880, 2940, 3024, 3040, 3087, 3136, 3192, 3222, 3360, 3401, 3420, 3430, 3456, 3528, 3580, 3591, 3648, 3724, 3759, 3780, 3920, 3990, 4032, 4104, 4116, 4256, 4296, 4320, 4410, 4480, 4560, 4655, 4704, 4788, 4833, 5012, 5040, 5130, 5145, 5292, 5320, 5370, 5472, 5488, 5586, 5728, 5760, 5880, 5985, 6048, 6080, 6174, 6265, 6272, 6384, 6444, 6517, 6615, 6720, 6802, 6840, 6860, 7056, 7160, 7182, 7296, 7448, 7518, 7560, 7840, 7980, 8055, 8064, 8208, 8232, 8379, 8512, 8592, 8640, 8771, 8820, 9120, 9261, 9310, 9408, 9576, 9666, 10024, 10080, 10203, 10260, 10290, 10584, 10640, 10740, 10944, 10976, 11172, 11277, 11456, 11760, 11970, 12096, 12160, 12348, 12530, 12768, 12888, 13034, 13230, 13440, 13604, 13680, 13720, 13965, 14112, 14320, 14364, 14896, 15036, 15120, 15435, 15680, 15960, 16110, 16416, 16464, 16758, 17005, 17024, 17184, 17280, 17542, 17640, 17955, 18240, 18522, 18620, 18795, 18816, 19152, 19332, 19551, 20048, 20160, 20406, 20520, 20580, 21168, 21280, 21480, 21888, 21952, 22344, 22554, 22912, 23520, 23807, 23940, 24165, 24192, 24696, 25060, 25137, 25536, 25776, 26068, 26313, 26460, 27208, 27360, 27440, 27930, 28224, 28640, 28728, 29792, 30072, 30240, 30609, 30870, 31360, 31920, 32220, 32585, 32832, 32928, 33516, 33831, 34010, 34368, 35084, 35280, 35910, 36480, 37044, 37240, 37590, 38304, 38664, 39102, 40096, 40320, 40812, 41040, 41160, 41895, 42336, 42560, 42960, 43855, 43904, 44688, 45108, 46305, 47040, 47614, 47880, 48330, 49392, 50120, 50274, 51015, 51072, 51552, 52136, 52626, 52920, 54416, 54720, 54880, 55860, 56385, 56448, 57280, 57456, 58653, 59584, 60144, 60480, 61218, 61397, 61740, 63840, 64440, 65170, 65664, 65856, 67032, 67662, 68020, 68736, 70168, 70560, 71421, 71820, 74088, 74480, 75180, 76608, 77328, 78204, 78939, 80192, 81624, 82080, 82320, 83790, 84672, 85120, 85920, 87710, 89376, 90216, 91827, 92610, 94080, 95228, 95760, 96660, 97755, 98784, 100240, 100548, 102030, 103104, 104272, 105252, 105840, 108832, 109440, 109760, 111720, 112770, 114560, 114912, 117306, 119035, 119168, 120288, 120960, 122436, 122794, 123480, 125685, 127680, 128880, 130340, 131565, 131712, 134064, 135324, 136040, 140336, 141120, 142842, 143640, 148176, 148960, 150360, 153045, 153216, 154656, 156408, 157878, 160384, 163248, 164160, 164640, 166649, 167580, 169155, 169344, 171840, 175420, 175959, 178752, 180432, 183654, 184191, 185220, 190456, 191520, 193320, 195510, 197568, 200480, 201096, 204060, 206208, 208544, 210504, 211680, 214263, 217664, 219520, 223440, 225540, 229824, 234612, 236817, 238070, 240576, 244872, 245588, 246960, 251370, 255360, 257760, 260680, 263130, 268128, 270648, 272080, 280672, 282240, 285684, 287280, 293265, 296352, 297920, 300720, 306090, 306985, 309312, 312816, 315756, 326496, 328320, 329280, 333298, 335160, 338310, 343680, 350840, 351918, 357105, 357504, 360864, 367308, 368382, 370440, 380912, 383040, 386640, 391020, 394695, 395136, 400960, 402192, 408120, 417088, 421008, 423360, 428526, 435328, 446880, 451080, 459135, 459648, 469224, 473634, 476140, 481152, 489744, 491176, 493920, 499947, 502740, 515520, 521360, 526260, 536256, 541296, 544160, 552573, 561344, 571368, 574560, 586530, 592704, 595840, 601440, 612180, 613970, 618624, 625632, 631512, 642789, 652992, 658560, 666596, 670320, 676620, 701680, 703836, 714210, 721728, 734616, 736764, 740880, 761824, 766080, 773280, 782040, 789390, 801920, 804384, 816240, 833245, 834176, 842016, 846720, 857052, 879795, 893760, 902160, 918270, 920955, 938448, 947268, 952280, 979488, 982352, 987840, 999894, 1005480, 1031040, 1042720, 1052520, 1071315, 1072512, 1082592, 1088320, 1105146, 1122688, 1142736, 1149120, 1166543, 1173060, 1184085, 1185408, 1202880, 1224360, 1227940, 1251264, 1263024, 1285578, 1305984, 1333192, 1340640, 1353240, 1403360, 1407672, 1428420, 1443456, 1469232, 1473528, 1481760, 1499841, 1523648, 1546560, 1564080, 1578780, 1608768, 1632480, 1657719, 1666490, 1684032, 1714104, 1759590, 1787520, 1804320, 1836540, 1841910, 1876896, 1894536, 1904560, 1958976, 1964704, 1975680, 1999788, 2010960, 2085440, 2105040, 2142630, 2165184, 2176640, 2210292, 2285472, 2298240, 2333086, 2346120, 2368170, 2405760, 2448720, 2455880, 2499735, 2502528, 2526048, 2571156, 2666384, 2681280, 2706480, 2762865, 2806720, 2815344, 2856840, 2938464, 2947056, 2963520, 2999682, 3047296, 3093120, 3128160, 3157560, 3213945, 3217536, 3264960, 3315438, 3332980, 3368064, 3428208, 3499629, 3519180, 3608640, 3673080, 3683820, 3753792, 3789072, 3809120, 3917952, 3929408, 3999576, 4021920, 4170880, 4210080, 4285260, 4330368, 4420584, 4499523, 4570944, 4666172, 4692240, 4736340, 4897440, 4911760, 4999470, 5052096, 5142312, 5332768, 5362560, 5412960, 5525730, 5613440, 5630688, 5713680, 5832715, 5876928, 5894112, 5927040, 5999364, 6256320, 6315120, 6427890, 6529920, 6630876, 6665960, 6856416, 6999258, 7038360, 7217280, 7346160, 7367640, 7499205, 7507584, 7578144, 7618240, 7858816, 7999152, 8043840, 8288595, 8420160, 8570520, 8841168, 8999046, 9141888, 9332344, 9384480, 9472680, 9794880, 9823520, 9998940, 10104192, 10284624, 10498887, 10665536, 10825920, 11051460, 11261376, 11427360, 11665430, 11753856, 11788224, 11998728, 12512640, 12630240, 12855780, 13261752, 13331920, 13712832, 13998516, 14076720, 14692320, 14735280, 14998410, 15156288, 15236480, 15998304, 16087680, 16577190, 16840320, 17141040, 17498145, 17682336, 17998092, 18664688, 18768960, 18945360, 19589760, 19647040, 19997880, 20569248, 20997774, 21331072, 21651840, 22102920, 22497615, 22522752, 22854720, 23330860, 23576448, 23997456, 25260480, 25711560, 26523504, 26663840, 27425664, 27997032, 28153440, 29384640, 29470560, 29996820, 30312576, 31496661, 31996608, 33154380, 34282080, 34996290, 35364672, 35996184, 37329376, 37537920, 37890720, 39294080, 39995760, 41138496, 41995548, 44205840, 44995230, 45709440, 46661720, 47994912, 50520960, 51423120, 52494435, 53047008, 53327680, 55994064, 56306880, 58769280, 58941120, 59993640, 62993322, 63993216, 66308760, 68564160, 69992580, 70729344, 71992368, 74658752, 75781440, 79991520, 82276992, 83991096, 88411680, 89990460, 93323440, 95989824, 102846240, 104988870, 106094016, 106655360, 111988128, 112613760, 117882240, 119987280, 125986644, 132617520, 137128320, 139985160, 143984736, 149317504, 151562880, 157483305, 159983040, 167982192, 176823360, 179980920, 186646880, 191979648, 205692480, 209977740, 212188032, 223976256, 239974560, 251973288, 265235040, 279970320, 287969472, 314966610, 319966080, 335964384, 353646720, 359961840, 373293760, 411384960, 419955480, 447952512, 479949120, 503946576, 530470080, 559940640, 575938944, 629933220, 671928768, 719923680, 746587520, 839910960, 959898240, 1007893152, 1060940160, 1119881280, 1259866440, 1343857536, 1439847360, 1679821920, 2015786304, 2239762560, 2519732880, 2879694720, 3359643840, 4031572608, 5039465760, 6719287680, 10078931520, 20157863040]

約数ペア:

[(1, 20157863040), (2, 10078931520), (3, 6719287680), (4, 5039465760), (5, 4031572608), (6, 3359643840), (7, 2879694720), (8, 2519732880), (9, 2239762560), (10, 2015786304), (12, 1679821920), (14, 1439847360), (15, 1343857536), (16, 1259866440), (18, 1119881280), (19, 1060940160), (20, 1007893152), (21, 959898240), (24, 839910960), (27, 746587520), (28, 719923680), (30, 671928768), (32, 629933220), (35, 575938944), (36, 559940640), (38, 530470080), (40, 503946576), (42, 479949120), (45, 447952512), (48, 419955480), (49, 411384960), (54, 373293760), (56, 359961840), (57, 353646720), (60, 335964384), (63, 319966080), (64, 314966610), (70, 287969472), (72, 279970320), (76, 265235040), (80, 251973288), (84, 239974560), (90, 223976256), (95, 212188032), (96, 209977740), (98, 205692480), (105, 191979648), (108, 186646880), (112, 179980920), (114, 176823360), (120, 167982192), (126, 159983040), (128, 157483305), (133, 151562880), (135, 149317504), (140, 143984736), (144, 139985160), (147, 137128320), (152, 132617520), (160, 125986644), (168, 119987280), (171, 117882240), (179, 112613760), (180, 111988128), (189, 106655360), (190, 106094016), (192, 104988870), (196, 102846240), (210, 95989824), (216, 93323440), (224, 89990460), (228, 88411680), (240, 83991096), (245, 82276992), (252, 79991520), (266, 75781440), (270, 74658752), (280, 71992368), (285, 70729344), (288, 69992580), (294, 68564160), (304, 66308760), (315, 63993216), (320, 62993322), (336, 59993640), (342, 58941120), (343, 58769280), (358, 56306880), (360, 55994064), (378, 53327680), (380, 53047008), (384, 52494435), (392, 51423120), (399, 50520960), (420, 47994912), (432, 46661720), (441, 45709440), (448, 44995230), (456, 44205840), (480, 41995548), (490, 41138496), (504, 39995760), (513, 39294080), (532, 37890720), (537, 37537920), (540, 37329376), (560, 35996184), (570, 35364672), (576, 34996290), (588, 34282080), (608, 33154380), (630, 31996608), (640, 31496661), (665, 30312576), (672, 29996820), (684, 29470560), (686, 29384640), (716, 28153440), (720, 27997032), (735, 27425664), (756, 26663840), (760, 26523504), (784, 25711560), (798, 25260480), (840, 23997456), (855, 23576448), (864, 23330860), (882, 22854720), (895, 22522752), (896, 22497615), (912, 22102920), (931, 21651840), (945, 21331072), (960, 20997774), (980, 20569248), (1008, 19997880), (1026, 19647040), (1029, 19589760), (1064, 18945360), (1074, 18768960), (1080, 18664688), (1120, 17998092), (1140, 17682336), (1152, 17498145), (1176, 17141040), (1197, 16840320), (1216, 16577190), (1253, 16087680), (1260, 15998304), (1323, 15236480), (1330, 15156288), (1344, 14998410), (1368, 14735280), (1372, 14692320), (1432, 14076720), (1440, 13998516), (1470, 13712832), (1512, 13331920), (1520, 13261752), (1568, 12855780), (1596, 12630240), (1611, 12512640), (1680, 11998728), (1710, 11788224), (1715, 11753856), (1728, 11665430), (1764, 11427360), (1790, 11261376), (1824, 11051460), (1862, 10825920), (1890, 10665536), (1920, 10498887), (1960, 10284624), (1995, 10104192), (2016, 9998940), (2052, 9823520), (2058, 9794880), (2128, 9472680), (2148, 9384480), (2160, 9332344), (2205, 9141888), (2240, 8999046), (2280, 8841168), (2352, 8570520), (2394, 8420160), (2432, 8288595), (2506, 8043840), (2520, 7999152), (2565, 7858816), (2646, 7618240), (2660, 7578144), (2685, 7507584), (2688, 7499205), (2736, 7367640), (2744, 7346160), (2793, 7217280), (2864, 7038360), (2880, 6999258), (2940, 6856416), (3024, 6665960), (3040, 6630876), (3087, 6529920), (3136, 6427890), (3192, 6315120), (3222, 6256320), (3360, 5999364), (3401, 5927040), (3420, 5894112), (3430, 5876928), (3456, 5832715), (3528, 5713680), (3580, 5630688), (3591, 5613440), (3648, 5525730), (3724, 5412960), (3759, 5362560), (3780, 5332768), (3920, 5142312), (3990, 5052096), (4032, 4999470), (4104, 4911760), (4116, 4897440), (4256, 4736340), (4296, 4692240), (4320, 4666172), (4410, 4570944), (4480, 4499523), (4560, 4420584), (4655, 4330368), (4704, 4285260), (4788, 4210080), (4833, 4170880), (5012, 4021920), (5040, 3999576), (5130, 3929408), (5145, 3917952), (5292, 3809120), (5320, 3789072), (5370, 3753792), (5472, 3683820), (5488, 3673080), (5586, 3608640), (5728, 3519180), (5760, 3499629), (5880, 3428208), (5985, 3368064), (6048, 3332980), (6080, 3315438), (6174, 3264960), (6265, 3217536), (6272, 3213945), (6384, 3157560), (6444, 3128160), (6517, 3093120), (6615, 3047296), (6720, 2999682), (6802, 2963520), (6840, 2947056), (6860, 2938464), (7056, 2856840), (7160, 2815344), (7182, 2806720), (7296, 2762865), (7448, 2706480), (7518, 2681280), (7560, 2666384), (7840, 2571156), (7980, 2526048), (8055, 2502528), (8064, 2499735), (8208, 2455880), (8232, 2448720), (8379, 2405760), (8512, 2368170), (8592, 2346120), (8640, 2333086), (8771, 2298240), (8820, 2285472), (9120, 2210292), (9261, 2176640), (9310, 2165184), (9408, 2142630), (9576, 2105040), (9666, 2085440), (10024, 2010960), (10080, 1999788), (10203, 1975680), (10260, 1964704), (10290, 1958976), (10584, 1904560), (10640, 1894536), (10740, 1876896), (10944, 1841910), (10976, 1836540), (11172, 1804320), (11277, 1787520), (11456, 1759590), (11760, 1714104), (11970, 1684032), (12096, 1666490), (12160, 1657719), (12348, 1632480), (12530, 1608768), (12768, 1578780), (12888, 1564080), (13034, 1546560), (13230, 1523648), (13440, 1499841), (13604, 1481760), (13680, 1473528), (13720, 1469232), (13965, 1443456), (14112, 1428420), (14320, 1407672), (14364, 1403360), (14896, 1353240), (15036, 1340640), (15120, 1333192), (15435, 1305984), (15680, 1285578), (15960, 1263024), (16110, 1251264), (16416, 1227940), (16464, 1224360), (16758, 1202880), (17005, 1185408), (17024, 1184085), (17184, 1173060), (17280, 1166543), (17542, 1149120), (17640, 1142736), (17955, 1122688), (18240, 1105146), (18522, 1088320), (18620, 1082592), (18795, 1072512), (18816, 1071315), (19152, 1052520), (19332, 1042720), (19551, 1031040), (20048, 1005480), (20160, 999894), (20406, 987840), (20520, 982352), (20580, 979488), (21168, 952280), (21280, 947268), (21480, 938448), (21888, 920955), (21952, 918270), (22344, 902160), (22554, 893760), (22912, 879795), (23520, 857052), (23807, 846720), (23940, 842016), (24165, 834176), (24192, 833245), (24696, 816240), (25060, 804384), (25137, 801920), (25536, 789390), (25776, 782040), (26068, 773280), (26313, 766080), (26460, 761824), (27208, 740880), (27360, 736764), (27440, 734616), (27930, 721728), (28224, 714210), (28640, 703836), (28728, 701680), (29792, 676620), (30072, 670320), (30240, 666596), (30609, 658560), (30870, 652992), (31360, 642789), (31920, 631512), (32220, 625632), (32585, 618624), (32832, 613970), (32928, 612180), (33516, 601440), (33831, 595840), (34010, 592704), (34368, 586530), (35084, 574560), (35280, 571368), (35910, 561344), (36480, 552573), (37044, 544160), (37240, 541296), (37590, 536256), (38304, 526260), (38664, 521360), (39102, 515520), (40096, 502740), (40320, 499947), (40812, 493920), (41040, 491176), (41160, 489744), (41895, 481152), (42336, 476140), (42560, 473634), (42960, 469224), (43855, 459648), (43904, 459135), (44688, 451080), (45108, 446880), (46305, 435328), (47040, 428526), (47614, 423360), (47880, 421008), (48330, 417088), (49392, 408120), (50120, 402192), (50274, 400960), (51015, 395136), (51072, 394695), (51552, 391020), (52136, 386640), (52626, 383040), (52920, 380912), (54416, 370440), (54720, 368382), (54880, 367308), (55860, 360864), (56385, 357504), (56448, 357105), (57280, 351918), (57456, 350840), (58653, 343680), (59584, 338310), (60144, 335160), (60480, 333298), (61218, 329280), (61397, 328320), (61740, 326496), (63840, 315756), (64440, 312816), (65170, 309312), (65664, 306985), (65856, 306090), (67032, 300720), (67662, 297920), (68020, 296352), (68736, 293265), (70168, 287280), (70560, 285684), (71421, 282240), (71820, 280672), (74088, 272080), (74480, 270648), (75180, 268128), (76608, 263130), (77328, 260680), (78204, 257760), (78939, 255360), (80192, 251370), (81624, 246960), (82080, 245588), (82320, 244872), (83790, 240576), (84672, 238070), (85120, 236817), (85920, 234612), (87710, 229824), (89376, 225540), (90216, 223440), (91827, 219520), (92610, 217664), (94080, 214263), (95228, 211680), (95760, 210504), (96660, 208544), (97755, 206208), (98784, 204060), (100240, 201096), (100548, 200480), (102030, 197568), (103104, 195510), (104272, 193320), (105252, 191520), (105840, 190456), (108832, 185220), (109440, 184191), (109760, 183654), (111720, 180432), (112770, 178752), (114560, 175959), (114912, 175420), (117306, 171840), (119035, 169344), (119168, 169155), (120288, 167580), (120960, 166649), (122436, 164640), (122794, 164160), (123480, 163248), (125685, 160384), (127680, 157878), (128880, 156408), (130340, 154656), (131565, 153216), (131712, 153045), (134064, 150360), (135324, 148960), (136040, 148176), (140336, 143640), (141120, 142842)]