20121378480

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 800

約数和(自身を含む): 86480655360

約数和(自身を除く): 66359276880

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, 35, 36, 37, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 74, 76, 80, 81, 84, 90, 95, 105, 108, 111, 112, 114, 120, 126, 133, 135, 140, 144, 148, 152, 162, 168, 171, 180, 185, 189, 190, 210, 216, 222, 228, 240, 252, 259, 266, 270, 280, 285, 296, 304, 315, 324, 333, 336, 342, 360, 370, 378, 380, 399, 405, 420, 432, 444, 456, 504, 513, 518, 532, 540, 555, 560, 567, 570, 592, 630, 631, 648, 665, 666, 684, 703, 720, 740, 756, 760, 777, 798, 810, 840, 855, 888, 912, 945, 999, 1008, 1026, 1036, 1064, 1080, 1110, 1134, 1140, 1197, 1260, 1262, 1295, 1296, 1330, 1332, 1368, 1406, 1480, 1512, 1520, 1539, 1554, 1596, 1620, 1665, 1680, 1710, 1776, 1890, 1893, 1995, 1998, 2052, 2072, 2109, 2128, 2160, 2220, 2268, 2280, 2331, 2394, 2520, 2524, 2565, 2590, 2660, 2664, 2736, 2812, 2835, 2960, 2997, 3024, 3078, 3108, 3155, 3192, 3240, 3330, 3420, 3515, 3591, 3780, 3786, 3885, 3990, 3996, 4104, 4144, 4218, 4417, 4440, 4536, 4560, 4662, 4788, 4921, 4995, 5040, 5048, 5130, 5180, 5320, 5328, 5624, 5670, 5679, 5985, 5994, 6156, 6216, 6310, 6327, 6384, 6480, 6660, 6840, 6993, 7030, 7182, 7560, 7572, 7695, 7770, 7980, 7992, 8208, 8436, 8834, 8880, 9072, 9324, 9465, 9576, 9842, 9990, 10096, 10260, 10360, 10545, 10640, 10773, 11248, 11340, 11358, 11655, 11970, 11988, 11989, 12312, 12432, 12620, 12654, 13251, 13320, 13680, 13986, 14060, 14364, 14763, 14985, 15120, 15144, 15390, 15540, 15960, 15984, 16872, 17037, 17668, 17955, 18648, 18930, 18981, 19152, 19684, 19980, 20520, 20720, 20979, 21090, 21546, 22085, 22680, 22716, 23310, 23347, 23940, 23976, 23978, 24605, 24624, 25240, 25308, 26502, 26640, 27972, 28120, 28395, 28728, 29526, 29970, 30288, 30780, 31080, 31635, 31920, 33744, 34074, 34965, 35336, 35910, 35967, 37296, 37860, 37962, 39368, 39753, 39960, 41040, 41958, 42180, 43092, 44170, 44289, 45360, 45432, 46620, 46694, 47880, 47952, 47956, 49210, 50480, 50616, 51111, 53004, 53865, 55944, 56240, 56790, 56943, 57456, 59052, 59940, 59945, 61560, 62160, 63270, 66255, 68148, 69930, 70041, 70672, 71820, 71934, 73815, 75720, 75924, 78736, 79506, 79920, 83916, 83923, 84360, 85185, 86184, 88340, 88578, 90864, 93240, 93388, 94905, 95760, 95912, 98420, 101232, 102222, 104895, 106008, 107730, 107901, 111888, 113580, 113886, 116735, 118104, 119259, 119880, 119890, 123120, 126540, 132510, 132867, 136296, 139860, 140082, 143640, 143868, 147630, 151440, 151848, 159012, 163429, 167832, 167846, 168720, 170370, 172368, 176680, 177156, 179835, 186480, 186776, 189810, 191824, 196840, 198765, 204444, 209790, 210123, 212016, 215460, 215802, 221445, 227160, 227772, 233470, 236208, 238518, 239760, 239780, 251769, 253080, 255555, 265020, 265734, 272592, 279720, 280164, 284715, 287280, 287736, 295260, 303696, 318024, 323703, 326858, 335664, 335692, 340740, 350205, 353360, 354312, 357777, 359670, 373552, 379620, 393680, 397530, 398601, 408888, 419580, 419615, 420246, 430920, 431604, 442890, 443593, 454320, 455544, 466940, 477036, 479560, 490287, 503538, 506160, 511110, 530040, 531468, 539505, 559440, 560328, 569430, 575472, 590520, 596295, 630369, 636048, 647406, 653716, 664335, 671384, 681480, 700410, 708624, 715554, 719340, 755307, 759240, 795060, 797202, 817145, 817776, 839160, 839230, 840492, 861840, 863208, 885780, 887186, 911088, 933880, 954072, 959120, 971109, 980574, 1007076, 1022220, 1050615, 1060080, 1062936, 1079010, 1120656, 1138860, 1181040, 1192590, 1258845, 1260738, 1294812, 1307432, 1328670, 1330779, 1342768, 1362960, 1400820, 1431108, 1438680, 1470861, 1510614, 1518480, 1590120, 1594404, 1618515, 1634290, 1678320, 1678460, 1680984, 1726416, 1771560, 1774372, 1788885, 1867760, 1891107, 1908144, 1942218, 1961148, 1993005, 2014152, 2044440, 2101230, 2125872, 2158020, 2217965, 2265921, 2277720, 2385180, 2451435, 2517690, 2521476, 2589624, 2614864, 2657340, 2661558, 2801640, 2862216, 2877360, 2941722, 3021228, 3105151, 3151845, 3180240, 3188808, 3237030, 3268580, 3356920, 3361968, 3543120, 3548744, 3577770, 3776535, 3782214, 3884436, 3922296, 3986010, 3992337, 4028304, 4088880, 4202460, 4316040, 4412583, 4435930, 4531842, 4555440, 4770360, 4855545, 4902870, 5035380, 5042952, 5179248, 5314680, 5323116, 5603280, 5724432, 5883444, 6042456, 6210302, 6303690, 6377616, 6474060, 6537160, 6653895, 6713840, 6797763, 7097488, 7155540, 7354305, 7553070, 7564428, 7768872, 7844592, 7972020, 7984674, 8404920, 8632080, 8825166, 8871860, 9063684, 9315453, 9455535, 9540720, 9711090, 9805740, 10070760, 10085904, 10629360, 10646232, 11329605, 11766888, 11977011, 12084912, 12420604, 12607380, 12948120, 13074320, 13237749, 13307790, 13595526, 14311080, 14708610, 15106140, 15128856, 15525755, 15537744, 15944040, 15969348, 16809840, 17650332, 17743720, 18127368, 18630906, 18911070, 19422180, 19611480, 19961685, 20141520, 21292464, 22062915, 22659210, 23533776, 23954022, 24841208, 25214760, 25896240, 26475498, 26615580, 27191052, 27946359, 28622160, 29417220, 30212280, 30257712, 31051510, 31888080, 31938696, 33988815, 35300664, 35487440, 35931033, 36254736, 37261812, 37822140, 38844360, 39222960, 39923370, 44125830, 45318420, 46577265, 47908044, 49682416, 50429520, 52950996, 53231160, 54382104, 55892718, 58834440, 59885055, 60424560, 62103020, 63877392, 66188745, 67977630, 70601328, 71862066, 74523624, 75644280, 77688720, 79846740, 83839077, 88251660, 90636840, 93154530, 95816088, 105901992, 106462320, 108764208, 111785436, 117668880, 119770110, 124206040, 132377490, 135955260, 139731795, 143724132, 149047248, 151288560, 159693480, 167678154, 176503320, 179655165, 181273680, 186309060, 191632176, 211803984, 223570872, 239540220, 248412080, 251517231, 264754980, 271910520, 279463590, 287448264, 319386960, 335356308, 353006640, 359310330, 372618120, 419195385, 447141744, 479080440, 503034462, 529509960, 543821040, 558927180, 574896528, 670712616, 718620660, 745236240, 838390770, 958160880, 1006068924, 1059019920, 1117854360, 1257586155, 1341425232, 1437241320, 1676781540, 2012137848, 2235708720, 2515172310, 2874482640, 3353563080, 4024275696, 5030344620, 6707126160, 10060689240, 20121378480]

約数ペア:

[(1, 20121378480), (2, 10060689240), (3, 6707126160), (4, 5030344620), (5, 4024275696), (6, 3353563080), (7, 2874482640), (8, 2515172310), (9, 2235708720), (10, 2012137848), (12, 1676781540), (14, 1437241320), (15, 1341425232), (16, 1257586155), (18, 1117854360), (19, 1059019920), (20, 1006068924), (21, 958160880), (24, 838390770), (27, 745236240), (28, 718620660), (30, 670712616), (35, 574896528), (36, 558927180), (37, 543821040), (38, 529509960), (40, 503034462), (42, 479080440), (45, 447141744), (48, 419195385), (54, 372618120), (56, 359310330), (57, 353006640), (60, 335356308), (63, 319386960), (70, 287448264), (72, 279463590), (74, 271910520), (76, 264754980), (80, 251517231), (81, 248412080), (84, 239540220), (90, 223570872), (95, 211803984), (105, 191632176), (108, 186309060), (111, 181273680), (112, 179655165), (114, 176503320), (120, 167678154), (126, 159693480), (133, 151288560), (135, 149047248), (140, 143724132), (144, 139731795), (148, 135955260), (152, 132377490), (162, 124206040), (168, 119770110), (171, 117668880), (180, 111785436), (185, 108764208), (189, 106462320), (190, 105901992), (210, 95816088), (216, 93154530), (222, 90636840), (228, 88251660), (240, 83839077), (252, 79846740), (259, 77688720), (266, 75644280), (270, 74523624), (280, 71862066), (285, 70601328), (296, 67977630), (304, 66188745), (315, 63877392), (324, 62103020), (333, 60424560), (336, 59885055), (342, 58834440), (360, 55892718), (370, 54382104), (378, 53231160), (380, 52950996), (399, 50429520), (405, 49682416), (420, 47908044), (432, 46577265), (444, 45318420), (456, 44125830), (504, 39923370), (513, 39222960), (518, 38844360), (532, 37822140), (540, 37261812), (555, 36254736), (560, 35931033), (567, 35487440), (570, 35300664), (592, 33988815), (630, 31938696), (631, 31888080), (648, 31051510), (665, 30257712), (666, 30212280), (684, 29417220), (703, 28622160), (720, 27946359), (740, 27191052), (756, 26615580), (760, 26475498), (777, 25896240), (798, 25214760), (810, 24841208), (840, 23954022), (855, 23533776), (888, 22659210), (912, 22062915), (945, 21292464), (999, 20141520), (1008, 19961685), (1026, 19611480), (1036, 19422180), (1064, 18911070), (1080, 18630906), (1110, 18127368), (1134, 17743720), (1140, 17650332), (1197, 16809840), (1260, 15969348), (1262, 15944040), (1295, 15537744), (1296, 15525755), (1330, 15128856), (1332, 15106140), (1368, 14708610), (1406, 14311080), (1480, 13595526), (1512, 13307790), (1520, 13237749), (1539, 13074320), (1554, 12948120), (1596, 12607380), (1620, 12420604), (1665, 12084912), (1680, 11977011), (1710, 11766888), (1776, 11329605), (1890, 10646232), (1893, 10629360), (1995, 10085904), (1998, 10070760), (2052, 9805740), (2072, 9711090), (2109, 9540720), (2128, 9455535), (2160, 9315453), (2220, 9063684), (2268, 8871860), (2280, 8825166), (2331, 8632080), (2394, 8404920), (2520, 7984674), (2524, 7972020), (2565, 7844592), (2590, 7768872), (2660, 7564428), (2664, 7553070), (2736, 7354305), (2812, 7155540), (2835, 7097488), (2960, 6797763), (2997, 6713840), (3024, 6653895), (3078, 6537160), (3108, 6474060), (3155, 6377616), (3192, 6303690), (3240, 6210302), (3330, 6042456), (3420, 5883444), (3515, 5724432), (3591, 5603280), (3780, 5323116), (3786, 5314680), (3885, 5179248), (3990, 5042952), (3996, 5035380), (4104, 4902870), (4144, 4855545), (4218, 4770360), (4417, 4555440), (4440, 4531842), (4536, 4435930), (4560, 4412583), (4662, 4316040), (4788, 4202460), (4921, 4088880), (4995, 4028304), (5040, 3992337), (5048, 3986010), (5130, 3922296), (5180, 3884436), (5320, 3782214), (5328, 3776535), (5624, 3577770), (5670, 3548744), (5679, 3543120), (5985, 3361968), (5994, 3356920), (6156, 3268580), (6216, 3237030), (6310, 3188808), (6327, 3180240), (6384, 3151845), (6480, 3105151), (6660, 3021228), (6840, 2941722), (6993, 2877360), (7030, 2862216), (7182, 2801640), (7560, 2661558), (7572, 2657340), (7695, 2614864), (7770, 2589624), (7980, 2521476), (7992, 2517690), (8208, 2451435), (8436, 2385180), (8834, 2277720), (8880, 2265921), (9072, 2217965), (9324, 2158020), (9465, 2125872), (9576, 2101230), (9842, 2044440), (9990, 2014152), (10096, 1993005), (10260, 1961148), (10360, 1942218), (10545, 1908144), (10640, 1891107), (10773, 1867760), (11248, 1788885), (11340, 1774372), (11358, 1771560), (11655, 1726416), (11970, 1680984), (11988, 1678460), (11989, 1678320), (12312, 1634290), (12432, 1618515), (12620, 1594404), (12654, 1590120), (13251, 1518480), (13320, 1510614), (13680, 1470861), (13986, 1438680), (14060, 1431108), (14364, 1400820), (14763, 1362960), (14985, 1342768), (15120, 1330779), (15144, 1328670), (15390, 1307432), (15540, 1294812), (15960, 1260738), (15984, 1258845), (16872, 1192590), (17037, 1181040), (17668, 1138860), (17955, 1120656), (18648, 1079010), (18930, 1062936), (18981, 1060080), (19152, 1050615), (19684, 1022220), (19980, 1007076), (20520, 980574), (20720, 971109), (20979, 959120), (21090, 954072), (21546, 933880), (22085, 911088), (22680, 887186), (22716, 885780), (23310, 863208), (23347, 861840), (23940, 840492), (23976, 839230), (23978, 839160), (24605, 817776), (24624, 817145), (25240, 797202), (25308, 795060), (26502, 759240), (26640, 755307), (27972, 719340), (28120, 715554), (28395, 708624), (28728, 700410), (29526, 681480), (29970, 671384), (30288, 664335), (30780, 653716), (31080, 647406), (31635, 636048), (31920, 630369), (33744, 596295), (34074, 590520), (34965, 575472), (35336, 569430), (35910, 560328), (35967, 559440), (37296, 539505), (37860, 531468), (37962, 530040), (39368, 511110), (39753, 506160), (39960, 503538), (41040, 490287), (41958, 479560), (42180, 477036), (43092, 466940), (44170, 455544), (44289, 454320), (45360, 443593), (45432, 442890), (46620, 431604), (46694, 430920), (47880, 420246), (47952, 419615), (47956, 419580), (49210, 408888), (50480, 398601), (50616, 397530), (51111, 393680), (53004, 379620), (53865, 373552), (55944, 359670), (56240, 357777), (56790, 354312), (56943, 353360), (57456, 350205), (59052, 340740), (59940, 335692), (59945, 335664), (61560, 326858), (62160, 323703), (63270, 318024), (66255, 303696), (68148, 295260), (69930, 287736), (70041, 287280), (70672, 284715), (71820, 280164), (71934, 279720), (73815, 272592), (75720, 265734), (75924, 265020), (78736, 255555), (79506, 253080), (79920, 251769), (83916, 239780), (83923, 239760), (84360, 238518), (85185, 236208), (86184, 233470), (88340, 227772), (88578, 227160), (90864, 221445), (93240, 215802), (93388, 215460), (94905, 212016), (95760, 210123), (95912, 209790), (98420, 204444), (101232, 198765), (102222, 196840), (104895, 191824), (106008, 189810), (107730, 186776), (107901, 186480), (111888, 179835), (113580, 177156), (113886, 176680), (116735, 172368), (118104, 170370), (119259, 168720), (119880, 167846), (119890, 167832), (123120, 163429), (126540, 159012), (132510, 151848), (132867, 151440), (136296, 147630), (139860, 143868), (140082, 143640)]