20994236640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 576

約数和(自身を含む): 81977313600

約数和(自身を除く): 60983076960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 32, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 96, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 160, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 288, 310, 312, 351, 360, 372, 389, 390, 403, 416, 432, 465, 468, 480, 496, 520, 540, 558, 585, 620, 624, 702, 720, 744, 778, 780, 806, 837, 864, 930, 936, 961, 992, 1040, 1080, 1116, 1167, 1170, 1209, 1240, 1248, 1395, 1404, 1440, 1488, 1556, 1560, 1612, 1674, 1755, 1860, 1872, 1922, 1945, 2015, 2080, 2160, 2232, 2334, 2340, 2418, 2480, 2790, 2808, 2883, 2976, 3112, 3120, 3224, 3348, 3501, 3510, 3627, 3720, 3744, 3844, 3890, 4030, 4185, 4320, 4464, 4668, 4680, 4805, 4836, 4960, 5057, 5580, 5616, 5766, 5835, 6045, 6224, 6240, 6448, 6696, 7002, 7020, 7254, 7440, 7688, 7780, 8060, 8370, 8649, 8928, 9336, 9360, 9610, 9672, 10114, 10503, 10881, 11160, 11232, 11532, 11670, 12059, 12090, 12448, 12493, 12896, 13392, 14004, 14040, 14415, 14508, 14880, 15171, 15376, 15560, 16120, 16740, 17298, 17505, 18135, 18672, 18720, 19220, 19344, 20228, 21006, 21762, 22320, 23064, 23340, 24118, 24180, 24986, 25285, 25947, 26784, 28008, 28080, 28830, 29016, 30342, 30752, 31120, 32240, 33480, 34596, 35010, 36177, 36270, 37344, 37479, 38440, 38688, 40456, 42012, 43245, 43524, 44640, 45513, 46128, 46680, 48236, 48360, 49972, 50570, 51894, 52515, 54405, 56016, 56160, 57660, 58032, 60295, 60684, 62240, 62465, 64480, 66960, 69192, 70020, 72354, 72540, 74958, 75855, 76880, 80912, 84024, 86490, 87048, 91026, 92256, 93360, 96472, 96720, 99944, 101140, 103788, 105030, 108531, 108810, 112032, 112437, 115320, 116064, 120590, 121368, 124930, 129735, 133920, 136539, 138384, 140040, 144708, 145080, 149916, 151710, 153760, 156767, 161824, 168048, 172980, 174096, 180885, 182052, 186720, 187395, 192944, 193440, 199888, 202280, 207576, 210060, 217062, 217620, 224874, 227565, 230640, 241180, 242736, 249860, 259470, 273078, 276768, 280080, 289416, 290160, 299832, 303420, 313534, 325593, 336096, 337311, 345960, 348192, 361770, 364104, 373829, 374790, 385888, 399776, 404560, 415152, 420120, 434124, 435240, 449748, 455130, 461280, 470301, 482360, 485472, 499720, 518940, 542655, 546156, 560160, 562185, 578832, 580320, 599664, 606840, 627068, 651186, 674622, 682695, 691920, 723540, 728208, 747658, 749580, 783835, 809120, 830304, 840240, 868248, 870480, 899496, 910260, 940602, 964720, 999440, 1037880, 1085310, 1092312, 1121487, 1124370, 1157664, 1199328, 1213680, 1254136, 1302372, 1349244, 1365390, 1383840, 1410903, 1447080, 1456416, 1495316, 1499160, 1567670, 1627965, 1680480, 1686555, 1736496, 1740960, 1798992, 1820520, 1869145, 1881204, 1929440, 1998880, 2075760, 2170620, 2184624, 2242974, 2248740, 2351505, 2427360, 2508272, 2604744, 2698488, 2730780, 2821806, 2894160, 2990632, 2998320, 3135340, 3255930, 3364461, 3373110, 3472992, 3597984, 3641040, 3738290, 3762408, 4151520, 4232709, 4341240, 4369248, 4485948, 4497480, 4703010, 4859777, 5016544, 5209488, 5396976, 5461560, 5607435, 5643612, 5788320, 5981264, 5996640, 6270680, 6511860, 6728922, 6746220, 7054515, 7282080, 7476580, 7524816, 8465418, 8682480, 8971896, 8994960, 9406020, 9719554, 10093383, 10418976, 10793952, 10923120, 11214870, 11287224, 11962528, 12541360, 13023720, 13457844, 13492440, 14109030, 14579331, 14953160, 15049632, 16822305, 16930836, 17364960, 17943792, 17989920, 18812040, 19439108, 20186766, 21163545, 21846240, 22429740, 22574448, 24298885, 25082720, 26047440, 26915688, 26984880, 28218060, 29158662, 29906320, 33644610, 33861672, 35887584, 37624080, 38878216, 40373532, 42327090, 43737993, 44859480, 45148896, 48597770, 50466915, 52094880, 53831376, 53969760, 56436120, 58317324, 59812640, 67289220, 67723344, 72896655, 75248160, 77756432, 80747064, 84654180, 87475986, 89718960, 97195540, 100933830, 107662752, 112872240, 116634648, 131213979, 134578440, 135446688, 145793310, 155512864, 161494128, 169308360, 174951972, 179437920, 194391080, 201867660, 218689965, 225744480, 233269296, 262427958, 269156880, 291586620, 322988256, 338616720, 349903944, 388782160, 403735320, 437379930, 466538592, 524855916, 538313760, 583173240, 656069895, 677233440, 699807888, 777564320, 807470640, 874759860, 1049711832, 1166346480, 1312139790, 1399615776, 1614941280, 1749519720, 2099423664, 2332692960, 2624279580, 3499039440, 4198847328, 5248559160, 6998078880, 10497118320, 20994236640]

約数ペア:

[(1, 20994236640), (2, 10497118320), (3, 6998078880), (4, 5248559160), (5, 4198847328), (6, 3499039440), (8, 2624279580), (9, 2332692960), (10, 2099423664), (12, 1749519720), (13, 1614941280), (15, 1399615776), (16, 1312139790), (18, 1166346480), (20, 1049711832), (24, 874759860), (26, 807470640), (27, 777564320), (30, 699807888), (31, 677233440), (32, 656069895), (36, 583173240), (39, 538313760), (40, 524855916), (45, 466538592), (48, 437379930), (52, 403735320), (54, 388782160), (60, 349903944), (62, 338616720), (65, 322988256), (72, 291586620), (78, 269156880), (80, 262427958), (90, 233269296), (93, 225744480), (96, 218689965), (104, 201867660), (108, 194391080), (117, 179437920), (120, 174951972), (124, 169308360), (130, 161494128), (135, 155512864), (144, 145793310), (155, 135446688), (156, 134578440), (160, 131213979), (180, 116634648), (186, 112872240), (195, 107662752), (208, 100933830), (216, 97195540), (234, 89718960), (240, 87475986), (248, 84654180), (260, 80747064), (270, 77756432), (279, 75248160), (288, 72896655), (310, 67723344), (312, 67289220), (351, 59812640), (360, 58317324), (372, 56436120), (389, 53969760), (390, 53831376), (403, 52094880), (416, 50466915), (432, 48597770), (465, 45148896), (468, 44859480), (480, 43737993), (496, 42327090), (520, 40373532), (540, 38878216), (558, 37624080), (585, 35887584), (620, 33861672), (624, 33644610), (702, 29906320), (720, 29158662), (744, 28218060), (778, 26984880), (780, 26915688), (806, 26047440), (837, 25082720), (864, 24298885), (930, 22574448), (936, 22429740), (961, 21846240), (992, 21163545), (1040, 20186766), (1080, 19439108), (1116, 18812040), (1167, 17989920), (1170, 17943792), (1209, 17364960), (1240, 16930836), (1248, 16822305), (1395, 15049632), (1404, 14953160), (1440, 14579331), (1488, 14109030), (1556, 13492440), (1560, 13457844), (1612, 13023720), (1674, 12541360), (1755, 11962528), (1860, 11287224), (1872, 11214870), (1922, 10923120), (1945, 10793952), (2015, 10418976), (2080, 10093383), (2160, 9719554), (2232, 9406020), (2334, 8994960), (2340, 8971896), (2418, 8682480), (2480, 8465418), (2790, 7524816), (2808, 7476580), (2883, 7282080), (2976, 7054515), (3112, 6746220), (3120, 6728922), (3224, 6511860), (3348, 6270680), (3501, 5996640), (3510, 5981264), (3627, 5788320), (3720, 5643612), (3744, 5607435), (3844, 5461560), (3890, 5396976), (4030, 5209488), (4185, 5016544), (4320, 4859777), (4464, 4703010), (4668, 4497480), (4680, 4485948), (4805, 4369248), (4836, 4341240), (4960, 4232709), (5057, 4151520), (5580, 3762408), (5616, 3738290), (5766, 3641040), (5835, 3597984), (6045, 3472992), (6224, 3373110), (6240, 3364461), (6448, 3255930), (6696, 3135340), (7002, 2998320), (7020, 2990632), (7254, 2894160), (7440, 2821806), (7688, 2730780), (7780, 2698488), (8060, 2604744), (8370, 2508272), (8649, 2427360), (8928, 2351505), (9336, 2248740), (9360, 2242974), (9610, 2184624), (9672, 2170620), (10114, 2075760), (10503, 1998880), (10881, 1929440), (11160, 1881204), (11232, 1869145), (11532, 1820520), (11670, 1798992), (12059, 1740960), (12090, 1736496), (12448, 1686555), (12493, 1680480), (12896, 1627965), (13392, 1567670), (14004, 1499160), (14040, 1495316), (14415, 1456416), (14508, 1447080), (14880, 1410903), (15171, 1383840), (15376, 1365390), (15560, 1349244), (16120, 1302372), (16740, 1254136), (17298, 1213680), (17505, 1199328), (18135, 1157664), (18672, 1124370), (18720, 1121487), (19220, 1092312), (19344, 1085310), (20228, 1037880), (21006, 999440), (21762, 964720), (22320, 940602), (23064, 910260), (23340, 899496), (24118, 870480), (24180, 868248), (24986, 840240), (25285, 830304), (25947, 809120), (26784, 783835), (28008, 749580), (28080, 747658), (28830, 728208), (29016, 723540), (30342, 691920), (30752, 682695), (31120, 674622), (32240, 651186), (33480, 627068), (34596, 606840), (35010, 599664), (36177, 580320), (36270, 578832), (37344, 562185), (37479, 560160), (38440, 546156), (38688, 542655), (40456, 518940), (42012, 499720), (43245, 485472), (43524, 482360), (44640, 470301), (45513, 461280), (46128, 455130), (46680, 449748), (48236, 435240), (48360, 434124), (49972, 420120), (50570, 415152), (51894, 404560), (52515, 399776), (54405, 385888), (56016, 374790), (56160, 373829), (57660, 364104), (58032, 361770), (60295, 348192), (60684, 345960), (62240, 337311), (62465, 336096), (64480, 325593), (66960, 313534), (69192, 303420), (70020, 299832), (72354, 290160), (72540, 289416), (74958, 280080), (75855, 276768), (76880, 273078), (80912, 259470), (84024, 249860), (86490, 242736), (87048, 241180), (91026, 230640), (92256, 227565), (93360, 224874), (96472, 217620), (96720, 217062), (99944, 210060), (101140, 207576), (103788, 202280), (105030, 199888), (108531, 193440), (108810, 192944), (112032, 187395), (112437, 186720), (115320, 182052), (116064, 180885), (120590, 174096), (121368, 172980), (124930, 168048), (129735, 161824), (133920, 156767), (136539, 153760), (138384, 151710), (140040, 149916), (144708, 145080)]