20427554160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{757}}^1$

素因数の和:854

約数の個数: 480

約数和(自身を含む): 78400607040

約数和(自身を除く): 57973052880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 432, 465, 468, 496, 520, 540, 558, 585, 620, 624, 702, 720, 744, 757, 780, 806, 837, 930, 936, 961, 1040, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1488, 1514, 1560, 1612, 1674, 1755, 1860, 1872, 1922, 2015, 2160, 2232, 2271, 2340, 2418, 2480, 2790, 2808, 2883, 3028, 3120, 3224, 3348, 3510, 3627, 3720, 3785, 3844, 4030, 4185, 4464, 4542, 4680, 4805, 4836, 5580, 5616, 5766, 6045, 6056, 6448, 6696, 6813, 7020, 7254, 7440, 7570, 7688, 8060, 8370, 8649, 9084, 9360, 9610, 9672, 9841, 10881, 11160, 11355, 11532, 12090, 12112, 12493, 13392, 13626, 14040, 14415, 14508, 15140, 15376, 16120, 16740, 17298, 18135, 18168, 19220, 19344, 19682, 20439, 21762, 22320, 22710, 23064, 23467, 24180, 24986, 25947, 27252, 28080, 28830, 29016, 29523, 30280, 32240, 33480, 34065, 34596, 36270, 36336, 37479, 38440, 39364, 40878, 43245, 43524, 45420, 46128, 46934, 48360, 49205, 49972, 51894, 54405, 54504, 57660, 58032, 59046, 60560, 62465, 66960, 68130, 69192, 70401, 72540, 74958, 76880, 78728, 81756, 86490, 87048, 88569, 90840, 93868, 96720, 98410, 99944, 102195, 103788, 108810, 109008, 112437, 115320, 117335, 118092, 124930, 129735, 136260, 138384, 140802, 145080, 147615, 149916, 157456, 163512, 172980, 174096, 177138, 181680, 187395, 187736, 196820, 199888, 204390, 207576, 211203, 217620, 224874, 230640, 234670, 236184, 249860, 259470, 265707, 272520, 281604, 290160, 295230, 299832, 305071, 327024, 337311, 345960, 352005, 354276, 374790, 375472, 393640, 408780, 415152, 422406, 435240, 442845, 449748, 469340, 472368, 499720, 518940, 531414, 545040, 562185, 563208, 590460, 599664, 610142, 633609, 674622, 691920, 704010, 708552, 727477, 749580, 787280, 817560, 844812, 870480, 885690, 899496, 915213, 938680, 999440, 1037880, 1056015, 1062828, 1124370, 1126416, 1180920, 1220284, 1267218, 1328535, 1349244, 1408020, 1417104, 1454954, 1499160, 1525355, 1635120, 1686555, 1689624, 1771380, 1798992, 1830426, 1877360, 2075760, 2112030, 2125656, 2182431, 2248740, 2361840, 2440568, 2534436, 2657070, 2698488, 2745639, 2816040, 2909908, 2998320, 3050710, 3168045, 3373110, 3379248, 3542760, 3637385, 3660852, 4224060, 4251312, 4364862, 4497480, 4576065, 4881136, 5068872, 5314140, 5396976, 5491278, 5632080, 5819816, 6101420, 6336090, 6547293, 6746220, 7085520, 7274770, 7321704, 8236917, 8448120, 8729724, 8994960, 9152130, 9457201, 10137744, 10628280, 10912155, 10982556, 11639632, 12202840, 12672180, 13094586, 13492440, 13728195, 14549540, 14643408, 16473834, 16896240, 17459448, 18304260, 18914402, 19641879, 21256560, 21824310, 21965112, 24405680, 25344360, 26189172, 26984880, 27456390, 28371603, 29099080, 32736465, 32947668, 34918896, 36608520, 37828804, 39283758, 41184585, 43648620, 43930224, 47286005, 50688720, 52378344, 54912780, 56743206, 58198160, 65472930, 65895336, 73217040, 75657608, 78567516, 82369170, 85114809, 87297240, 94572010, 98209395, 104756688, 109825560, 113486412, 130945860, 131790672, 141858015, 151315216, 157135032, 164738340, 170229618, 174594480, 189144020, 196418790, 219651120, 226972824, 255344427, 261891720, 283716030, 314270064, 329476680, 340459236, 378288040, 392837580, 425574045, 453945648, 510688854, 523783440, 567432060, 658953360, 680918472, 756576080, 785675160, 851148090, 1021377708, 1134864120, 1276722135, 1361836944, 1571350320, 1702296180, 2042755416, 2269728240, 2553444270, 3404592360, 4085510832, 5106888540, 6809184720, 10213777080, 20427554160]

約数ペア:

[(1, 20427554160), (2, 10213777080), (3, 6809184720), (4, 5106888540), (5, 4085510832), (6, 3404592360), (8, 2553444270), (9, 2269728240), (10, 2042755416), (12, 1702296180), (13, 1571350320), (15, 1361836944), (16, 1276722135), (18, 1134864120), (20, 1021377708), (24, 851148090), (26, 785675160), (27, 756576080), (30, 680918472), (31, 658953360), (36, 567432060), (39, 523783440), (40, 510688854), (45, 453945648), (48, 425574045), (52, 392837580), (54, 378288040), (60, 340459236), (62, 329476680), (65, 314270064), (72, 283716030), (78, 261891720), (80, 255344427), (90, 226972824), (93, 219651120), (104, 196418790), (108, 189144020), (117, 174594480), (120, 170229618), (124, 164738340), (130, 157135032), (135, 151315216), (144, 141858015), (155, 131790672), (156, 130945860), (180, 113486412), (186, 109825560), (195, 104756688), (208, 98209395), (216, 94572010), (234, 87297240), (240, 85114809), (248, 82369170), (260, 78567516), (270, 75657608), (279, 73217040), (310, 65895336), (312, 65472930), (351, 58198160), (360, 56743206), (372, 54912780), (390, 52378344), (403, 50688720), (432, 47286005), (465, 43930224), (468, 43648620), (496, 41184585), (520, 39283758), (540, 37828804), (558, 36608520), (585, 34918896), (620, 32947668), (624, 32736465), (702, 29099080), (720, 28371603), (744, 27456390), (757, 26984880), (780, 26189172), (806, 25344360), (837, 24405680), (930, 21965112), (936, 21824310), (961, 21256560), (1040, 19641879), (1080, 18914402), (1116, 18304260), (1170, 17459448), (1209, 16896240), (1240, 16473834), (1395, 14643408), (1404, 14549540), (1488, 13728195), (1514, 13492440), (1560, 13094586), (1612, 12672180), (1674, 12202840), (1755, 11639632), (1860, 10982556), (1872, 10912155), (1922, 10628280), (2015, 10137744), (2160, 9457201), (2232, 9152130), (2271, 8994960), (2340, 8729724), (2418, 8448120), (2480, 8236917), (2790, 7321704), (2808, 7274770), (2883, 7085520), (3028, 6746220), (3120, 6547293), (3224, 6336090), (3348, 6101420), (3510, 5819816), (3627, 5632080), (3720, 5491278), (3785, 5396976), (3844, 5314140), (4030, 5068872), (4185, 4881136), (4464, 4576065), (4542, 4497480), (4680, 4364862), (4805, 4251312), (4836, 4224060), (5580, 3660852), (5616, 3637385), (5766, 3542760), (6045, 3379248), (6056, 3373110), (6448, 3168045), (6696, 3050710), (6813, 2998320), (7020, 2909908), (7254, 2816040), (7440, 2745639), (7570, 2698488), (7688, 2657070), (8060, 2534436), (8370, 2440568), (8649, 2361840), (9084, 2248740), (9360, 2182431), (9610, 2125656), (9672, 2112030), (9841, 2075760), (10881, 1877360), (11160, 1830426), (11355, 1798992), (11532, 1771380), (12090, 1689624), (12112, 1686555), (12493, 1635120), (13392, 1525355), (13626, 1499160), (14040, 1454954), (14415, 1417104), (14508, 1408020), (15140, 1349244), (15376, 1328535), (16120, 1267218), (16740, 1220284), (17298, 1180920), (18135, 1126416), (18168, 1124370), (19220, 1062828), (19344, 1056015), (19682, 1037880), (20439, 999440), (21762, 938680), (22320, 915213), (22710, 899496), (23064, 885690), (23467, 870480), (24180, 844812), (24986, 817560), (25947, 787280), (27252, 749580), (28080, 727477), (28830, 708552), (29016, 704010), (29523, 691920), (30280, 674622), (32240, 633609), (33480, 610142), (34065, 599664), (34596, 590460), (36270, 563208), (36336, 562185), (37479, 545040), (38440, 531414), (39364, 518940), (40878, 499720), (43245, 472368), (43524, 469340), (45420, 449748), (46128, 442845), (46934, 435240), (48360, 422406), (49205, 415152), (49972, 408780), (51894, 393640), (54405, 375472), (54504, 374790), (57660, 354276), (58032, 352005), (59046, 345960), (60560, 337311), (62465, 327024), (66960, 305071), (68130, 299832), (69192, 295230), (70401, 290160), (72540, 281604), (74958, 272520), (76880, 265707), (78728, 259470), (81756, 249860), (86490, 236184), (87048, 234670), (88569, 230640), (90840, 224874), (93868, 217620), (96720, 211203), (98410, 207576), (99944, 204390), (102195, 199888), (103788, 196820), (108810, 187736), (109008, 187395), (112437, 181680), (115320, 177138), (117335, 174096), (118092, 172980), (124930, 163512), (129735, 157456), (136260, 149916), (138384, 147615), (140802, 145080)]