1981687680

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 640

約数和(自身を含む): 8341217280

約数和(自身を除く): 6359529600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 86, 90, 96, 105, 108, 112, 120, 126, 127, 128, 129, 135, 140, 144, 160, 162, 168, 172, 180, 189, 192, 210, 215, 216, 224, 240, 252, 254, 258, 270, 280, 288, 301, 315, 320, 324, 336, 344, 360, 378, 381, 384, 387, 405, 420, 430, 432, 448, 480, 504, 508, 516, 540, 560, 567, 576, 602, 630, 635, 640, 645, 648, 672, 688, 720, 756, 762, 774, 810, 840, 860, 864, 889, 896, 903, 945, 960, 1008, 1016, 1032, 1080, 1120, 1134, 1143, 1152, 1161, 1204, 1260, 1270, 1290, 1296, 1344, 1376, 1440, 1505, 1512, 1524, 1548, 1620, 1680, 1720, 1728, 1778, 1806, 1890, 1905, 1920, 1935, 2016, 2032, 2064, 2160, 2240, 2268, 2286, 2322, 2408, 2520, 2540, 2580, 2592, 2667, 2688, 2709, 2752, 2835, 2880, 3010, 3024, 3048, 3096, 3240, 3360, 3429, 3440, 3456, 3483, 3556, 3612, 3780, 3810, 3870, 4032, 4064, 4128, 4320, 4445, 4480, 4515, 4536, 4572, 4644, 4816, 5040, 5080, 5160, 5184, 5334, 5418, 5461, 5504, 5670, 5715, 5760, 5805, 6020, 6048, 6096, 6192, 6480, 6720, 6858, 6880, 6966, 7112, 7224, 7560, 7620, 7740, 8001, 8064, 8127, 8128, 8256, 8640, 8890, 9030, 9072, 9144, 9288, 9632, 10080, 10160, 10287, 10320, 10368, 10668, 10836, 10922, 11340, 11430, 11610, 12040, 12096, 12192, 12384, 12960, 13335, 13440, 13545, 13716, 13760, 13932, 14224, 14448, 15120, 15240, 15480, 16002, 16254, 16256, 16383, 16512, 17145, 17280, 17415, 17780, 18060, 18144, 18288, 18576, 19264, 20160, 20320, 20574, 20640, 21336, 21672, 21844, 22680, 22860, 23220, 24003, 24080, 24192, 24381, 24384, 24768, 25920, 26670, 27090, 27305, 27432, 27520, 27864, 28448, 28896, 30240, 30480, 30960, 32004, 32508, 32766, 34290, 34830, 35560, 36120, 36288, 36576, 37152, 38227, 38528, 40005, 40320, 40635, 40640, 41148, 41280, 42672, 43344, 43688, 45360, 45720, 46440, 48006, 48160, 48762, 48768, 49149, 49536, 51435, 51840, 53340, 54180, 54610, 54864, 55728, 56896, 57792, 60480, 60960, 61920, 64008, 65016, 65532, 68580, 69660, 71120, 72009, 72240, 72576, 73152, 74304, 76454, 80010, 81270, 81280, 81915, 82296, 82560, 85344, 86688, 87376, 90720, 91440, 92880, 96012, 96320, 97524, 98298, 102870, 106680, 108360, 109220, 109728, 111456, 113792, 114681, 115584, 120015, 120960, 121905, 121920, 123840, 128016, 130032, 131064, 137160, 139320, 142240, 144018, 144480, 146304, 147447, 148608, 152908, 160020, 162540, 163830, 164592, 170688, 173376, 174752, 181440, 182880, 185760, 191135, 192024, 192640, 195048, 196596, 205740, 213360, 216720, 218440, 219456, 222912, 229362, 240030, 243810, 243840, 245745, 247680, 256032, 260064, 262128, 274320, 278640, 284480, 288036, 288960, 294894, 305816, 320040, 325080, 327660, 329184, 341376, 344043, 346752, 349504, 360045, 362880, 365760, 371520, 382270, 384048, 390096, 393192, 411480, 426720, 433440, 436880, 438912, 442341, 445824, 458724, 480060, 487620, 491490, 512064, 520128, 524256, 548640, 557280, 568960, 573405, 576072, 577920, 589788, 611632, 640080, 650160, 655320, 658368, 688086, 699008, 720090, 731520, 737235, 743040, 764540, 768096, 780192, 786384, 822960, 853440, 866880, 873760, 884682, 917448, 960120, 975240, 982980, 1024128, 1032129, 1040256, 1048512, 1097280, 1114560, 1146810, 1152144, 1179576, 1223264, 1280160, 1300320, 1310640, 1316736, 1376172, 1440180, 1474470, 1529080, 1536192, 1560384, 1572768, 1645920, 1706880, 1720215, 1733760, 1747520, 1769364, 1834896, 1920240, 1950480, 1965960, 2064258, 2097024, 2194560, 2211705, 2229120, 2293620, 2304288, 2359152, 2446528, 2560320, 2600640, 2621280, 2752344, 2880360, 2948940, 3058160, 3072384, 3096387, 3120768, 3145536, 3291840, 3440430, 3495040, 3538728, 3669792, 3840480, 3900960, 3931920, 4128516, 4423410, 4587240, 4608576, 4718304, 4893056, 5120640, 5160645, 5201280, 5242560, 5504688, 5760720, 5897880, 6116320, 6192774, 6291072, 6583680, 6880860, 7077456, 7339584, 7680960, 7801920, 7863840, 8257032, 8846820, 9174480, 9217152, 9436608, 10321290, 10485120, 11009376, 11521440, 11795760, 12232640, 12385548, 13761720, 14154912, 14679168, 15361920, 15481935, 15603840, 15727680, 16514064, 17693640, 18348960, 18873216, 20642580, 22018752, 23042880, 23591520, 24465280, 24771096, 27523440, 28309824, 30963870, 31455360, 33028128, 35387280, 36697920, 41285160, 44037504, 46085760, 47183040, 49542192, 55046880, 56619648, 61927740, 66056256, 70774560, 73395840, 82570320, 94366080, 99084384, 110093760, 123855480, 132112512, 141549120, 165140640, 198168768, 220187520, 247710960, 283098240, 330281280, 396337536, 495421920, 660562560, 990843840, 1981687680]

約数ペア:

[(1, 1981687680), (2, 990843840), (3, 660562560), (4, 495421920), (5, 396337536), (6, 330281280), (7, 283098240), (8, 247710960), (9, 220187520), (10, 198168768), (12, 165140640), (14, 141549120), (15, 132112512), (16, 123855480), (18, 110093760), (20, 99084384), (21, 94366080), (24, 82570320), (27, 73395840), (28, 70774560), (30, 66056256), (32, 61927740), (35, 56619648), (36, 55046880), (40, 49542192), (42, 47183040), (43, 46085760), (45, 44037504), (48, 41285160), (54, 36697920), (56, 35387280), (60, 33028128), (63, 31455360), (64, 30963870), (70, 28309824), (72, 27523440), (80, 24771096), (81, 24465280), (84, 23591520), (86, 23042880), (90, 22018752), (96, 20642580), (105, 18873216), (108, 18348960), (112, 17693640), (120, 16514064), (126, 15727680), (127, 15603840), (128, 15481935), (129, 15361920), (135, 14679168), (140, 14154912), (144, 13761720), (160, 12385548), (162, 12232640), (168, 11795760), (172, 11521440), (180, 11009376), (189, 10485120), (192, 10321290), (210, 9436608), (215, 9217152), (216, 9174480), (224, 8846820), (240, 8257032), (252, 7863840), (254, 7801920), (258, 7680960), (270, 7339584), (280, 7077456), (288, 6880860), (301, 6583680), (315, 6291072), (320, 6192774), (324, 6116320), (336, 5897880), (344, 5760720), (360, 5504688), (378, 5242560), (381, 5201280), (384, 5160645), (387, 5120640), (405, 4893056), (420, 4718304), (430, 4608576), (432, 4587240), (448, 4423410), (480, 4128516), (504, 3931920), (508, 3900960), (516, 3840480), (540, 3669792), (560, 3538728), (567, 3495040), (576, 3440430), (602, 3291840), (630, 3145536), (635, 3120768), (640, 3096387), (645, 3072384), (648, 3058160), (672, 2948940), (688, 2880360), (720, 2752344), (756, 2621280), (762, 2600640), (774, 2560320), (810, 2446528), (840, 2359152), (860, 2304288), (864, 2293620), (889, 2229120), (896, 2211705), (903, 2194560), (945, 2097024), (960, 2064258), (1008, 1965960), (1016, 1950480), (1032, 1920240), (1080, 1834896), (1120, 1769364), (1134, 1747520), (1143, 1733760), (1152, 1720215), (1161, 1706880), (1204, 1645920), (1260, 1572768), (1270, 1560384), (1290, 1536192), (1296, 1529080), (1344, 1474470), (1376, 1440180), (1440, 1376172), (1505, 1316736), (1512, 1310640), (1524, 1300320), (1548, 1280160), (1620, 1223264), (1680, 1179576), (1720, 1152144), (1728, 1146810), (1778, 1114560), (1806, 1097280), (1890, 1048512), (1905, 1040256), (1920, 1032129), (1935, 1024128), (2016, 982980), (2032, 975240), (2064, 960120), (2160, 917448), (2240, 884682), (2268, 873760), (2286, 866880), (2322, 853440), (2408, 822960), (2520, 786384), (2540, 780192), (2580, 768096), (2592, 764540), (2667, 743040), (2688, 737235), (2709, 731520), (2752, 720090), (2835, 699008), (2880, 688086), (3010, 658368), (3024, 655320), (3048, 650160), (3096, 640080), (3240, 611632), (3360, 589788), (3429, 577920), (3440, 576072), (3456, 573405), (3483, 568960), (3556, 557280), (3612, 548640), (3780, 524256), (3810, 520128), (3870, 512064), (4032, 491490), (4064, 487620), (4128, 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(12960, 152908), (13335, 148608), (13440, 147447), (13545, 146304), (13716, 144480), (13760, 144018), (13932, 142240), (14224, 139320), (14448, 137160), (15120, 131064), (15240, 130032), (15480, 128016), (16002, 123840), (16254, 121920), (16256, 121905), (16383, 120960), (16512, 120015), (17145, 115584), (17280, 114681), (17415, 113792), (17780, 111456), (18060, 109728), (18144, 109220), (18288, 108360), (18576, 106680), (19264, 102870), (20160, 98298), (20320, 97524), (20574, 96320), (20640, 96012), (21336, 92880), (21672, 91440), (21844, 90720), (22680, 87376), (22860, 86688), (23220, 85344), (24003, 82560), (24080, 82296), (24192, 81915), (24381, 81280), (24384, 81270), (24768, 80010), (25920, 76454), (26670, 74304), (27090, 73152), (27305, 72576), (27432, 72240), (27520, 72009), (27864, 71120), (28448, 69660), (28896, 68580), (30240, 65532), (30480, 65016), (30960, 64008), (32004, 61920), (32508, 60960), (32766, 60480), (34290, 57792), (34830, 56896), (35560, 55728), (36120, 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