257180206080

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 1056

約数和(自身を含む): 1030320276480

約数和(自身を除く): 773140070400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 32, 35, 38, 40, 42, 48, 56, 57, 60, 62, 64, 70, 76, 80, 84, 93, 95, 96, 105, 112, 114, 120, 124, 128, 131, 133, 140, 152, 155, 160, 168, 186, 190, 192, 210, 217, 224, 228, 240, 248, 256, 262, 266, 280, 285, 304, 310, 320, 336, 372, 380, 384, 393, 399, 420, 434, 448, 456, 465, 480, 496, 512, 524, 532, 560, 570, 589, 608, 620, 640, 651, 655, 665, 672, 744, 760, 768, 786, 798, 840, 868, 896, 912, 917, 930, 960, 961, 992, 1024, 1048, 1064, 1085, 1120, 1140, 1178, 1216, 1240, 1280, 1302, 1310, 1330, 1344, 1488, 1520, 1536, 1572, 1596, 1680, 1736, 1767, 1792, 1824, 1834, 1860, 1920, 1922, 1965, 1984, 1995, 2096, 2128, 2170, 2240, 2280, 2356, 2432, 2480, 2489, 2560, 2604, 2620, 2660, 2688, 2751, 2883, 2945, 2976, 3040, 3072, 3144, 3192, 3255, 3360, 3472, 3534, 3584, 3648, 3668, 3720, 3840, 3844, 3930, 3968, 3990, 4061, 4123, 4192, 4256, 4340, 4480, 4560, 4585, 4712, 4805, 4864, 4960, 4978, 5120, 5208, 5240, 5320, 5376, 5502, 5766, 5890, 5952, 6080, 6288, 6384, 6510, 6720, 6727, 6944, 7068, 7168, 7296, 7336, 7440, 7467, 7680, 7688, 7860, 7936, 7980, 8122, 8246, 8384, 8512, 8680, 8835, 8960, 9120, 9170, 9424, 9610, 9728, 9920, 9956, 10416, 10480, 10640, 10752, 11004, 11532, 11780, 11904, 12160, 12183, 12369, 12445, 12576, 12768, 13020, 13440, 13454, 13755, 13888, 14136, 14415, 14592, 14672, 14880, 14934, 15360, 15376, 15720, 15872, 15960, 16244, 16492, 16768, 17024, 17360, 17423, 17670, 17920, 18240, 18259, 18340, 18848, 19220, 19456, 19840, 19912, 20181, 20305, 20615, 20832, 20960, 21280, 21504, 22008, 23064, 23560, 23808, 24320, 24366, 24738, 24890, 25152, 25536, 26040, 26880, 26908, 27510, 27776, 28272, 28427, 28830, 29184, 29344, 29760, 29868, 30752, 31440, 31744, 31920, 32488, 32984, 33536, 33635, 34048, 34720, 34846, 35340, 35840, 36480, 36518, 36680, 37335, 37696, 38440, 39680, 39824, 40362, 40610, 41230, 41664, 41920, 42560, 44016, 46128, 47120, 47616, 48640, 48732, 49476, 49780, 50304, 51072, 52080, 52269, 53760, 53816, 54777, 55020, 55552, 56544, 56854, 57660, 58368, 58688, 59520, 59736, 60915, 61504, 61845, 62880, 63840, 64976, 65968, 67072, 67270, 68096, 69440, 69692, 70680, 72960, 73036, 73360, 74670, 75392, 76880, 77159, 79360, 79648, 80724, 81220, 82460, 83328, 83840, 85120, 85281, 87115, 88032, 91295, 92256, 94240, 95232, 97280, 97464, 98952, 99560, 100608, 100905, 102144, 104160, 104538, 107520, 107632, 109554, 110040, 111104, 113088, 113708, 115320, 117376, 119040, 119472, 121830, 123008, 123690, 125760, 125891, 127680, 127813, 129952, 131936, 134144, 134540, 136192, 138880, 139384, 141360, 142135, 145920, 146072, 146720, 149340, 150784, 153760, 154318, 158720, 159296, 161448, 162440, 164920, 166656, 167680, 170240, 170562, 174230, 176064, 182590, 184512, 188480, 194928, 197904, 199120, 201216, 201810, 204288, 208320, 209076, 215264, 219108, 220080, 222208, 226176, 227416, 230640, 231477, 234752, 238080, 238944, 243660, 246016, 247380, 251520, 251782, 255360, 255626, 259904, 261345, 263872, 269080, 273885, 277760, 278768, 282720, 284270, 291840, 292144, 293440, 298680, 301568, 307520, 308636, 318592, 322896, 324880, 329840, 333312, 335360, 340480, 341124, 348460, 352128, 365180, 369024, 376960, 377673, 383439, 385795, 389856, 395808, 398240, 402432, 403620, 408576, 416640, 418152, 426405, 430528, 438216, 440160, 452352, 454832, 461280, 462954, 469504, 476160, 477888, 487320, 492032, 494760, 503040, 503564, 510720, 511252, 519808, 522690, 527744, 538160, 540113, 547770, 555520, 557536, 565440, 568540, 584288, 586880, 597360, 603136, 615040, 617272, 629455, 637184, 639065, 645792, 649760, 659680, 666624, 670720, 680960, 682248, 696920, 704256, 730360, 738048, 753920, 755346, 766878, 771590, 779712, 791616, 796480, 807240, 833280, 836304, 852810, 861056, 876432, 880320, 881237, 904704, 909664, 922560, 925908, 939008, 955776, 974640, 984064, 989520, 1006080, 1007128, 1021440, 1022504, 1039616, 1045380, 1055488, 1076320, 1080226, 1095540, 1111040, 1115072, 1130880, 1137080, 1157385, 1168576, 1173760, 1194720, 1230080, 1234544, 1258910, 1274368, 1278130, 1291584, 1299520, 1319360, 1364496, 1393840, 1408512, 1460720, 1476096, 1507840, 1510692, 1533756, 1543180, 1559424, 1583232, 1592960, 1614480, 1620339, 1666560, 1672608, 1705620, 1722112, 1752864, 1760640, 1762474, 1809408, 1819328, 1845120, 1851816, 1888365, 1911552, 1917195, 1949280, 1979040, 2012160, 2014256, 2042880, 2045008, 2079232, 2090760, 2110976, 2152640, 2160452, 2191080, 2230144, 2261760, 2274160, 2314770, 2337152, 2347520, 2389440, 2391929, 2460160, 2469088, 2517820, 2548736, 2556260, 2583168, 2599040, 2638720, 2643711, 2700565, 2728992, 2787680, 2817024, 2921440, 2952192, 3015680, 3021384, 3067512, 3086360, 3118848, 3166464, 3185920, 3228960, 3240678, 3333120, 3345216, 3411240, 3444224, 3505728, 3521280, 3524948, 3638656, 3690240, 3703632, 3776730, 3823104, 3834390, 3898560, 3958080, 4028512, 4090016, 4158464, 4181520, 4221952, 4305280, 4320904, 4382160, 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約数ペア:

[(1, 257180206080), (2, 128590103040), (3, 85726735360), (4, 64295051520), (5, 51436041216), (6, 42863367680), (7, 36740029440), (8, 32147525760), (10, 25718020608), (12, 21431683840), (14, 18370014720), (15, 17145347072), (16, 16073762880), (19, 13535800320), (20, 12859010304), (21, 12246676480), (24, 10715841920), (28, 9185007360), (30, 8572673536), (31, 8296135680), (32, 8036881440), (35, 7348005888), (38, 6767900160), (40, 6429505152), (42, 6123338240), (48, 5357920960), (56, 4592503680), (57, 4511933440), (60, 4286336768), (62, 4148067840), (64, 4018440720), (70, 3674002944), (76, 3383950080), (80, 3214752576), (84, 3061669120), (93, 2765378560), (95, 2707160064), (96, 2678960480), (105, 2449335296), (112, 2296251840), (114, 2255966720), (120, 2143168384), (124, 2074033920), (128, 2009220360), (131, 1963207680), (133, 1933685760), (140, 1837001472), (152, 1691975040), (155, 1659227136), (160, 1607376288), (168, 1530834560), (186, 1382689280), (190, 1353580032), (192, 1339480240), (210, 1224667648), (217, 1185162240), (224, 1148125920), (228, 1127983360), (240, 1071584192), (248, 1037016960), (256, 1004610180), (262, 981603840), (266, 966842880), (280, 918500736), (285, 902386688), (304, 845987520), (310, 829613568), (320, 803688144), (336, 765417280), (372, 691344640), (380, 676790016), (384, 669740120), (393, 654402560), (399, 644561920), (420, 612333824), (434, 592581120), (448, 574062960), (456, 563991680), (465, 553075712), (480, 535792096), (496, 518508480), (512, 502305090), (524, 490801920), (532, 483421440), (560, 459250368), (570, 451193344), (589, 436638720), (608, 422993760), (620, 414806784), (640, 401844072), (651, 395054080), (655, 392641536), (665, 386737152), (672, 382708640), (744, 345672320), (760, 338395008), (768, 334870060), (786, 327201280), (798, 322280960), (840, 306166912), (868, 296290560), (896, 287031480), (912, 281995840), (917, 280458240), (930, 276537856), (960, 267896048), (961, 267617280), (992, 259254240), (1024, 251152545), (1048, 245400960), (1064, 241710720), (1085, 237032448), (1120, 229625184), (1140, 225596672), (1178, 218319360), (1216, 211496880), (1240, 207403392), (1280, 200922036), (1302, 197527040), (1310, 196320768), (1330, 193368576), (1344, 191354320), (1488, 172836160), (1520, 169197504), (1536, 167435030), (1572, 163600640), (1596, 161140480), (1680, 153083456), (1736, 148145280), (1767, 145546240), (1792, 143515740), (1824, 140997920), (1834, 140229120), (1860, 138268928), (1920, 133948024), (1922, 133808640), (1965, 130880512), (1984, 129627120), (1995, 128912384), (2096, 122700480), (2128, 120855360), (2170, 118516224), (2240, 114812592), (2280, 112798336), (2356, 109159680), (2432, 105748440), (2480, 103701696), (2489, 103326720), (2560, 100461018), (2604, 98763520), (2620, 98160384), (2660, 96684288), (2688, 95677160), (2751, 93486080), (2883, 89205760), (2945, 87327744), (2976, 86418080), (3040, 84598752), (3072, 83717515), (3144, 81800320), (3192, 80570240), (3255, 79010816), (3360, 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(19456, 13218555), (19840, 12962712), (19912, 12915840), (20181, 12743680), (20305, 12665856), (20615, 12475392), (20832, 12345440), (20960, 12270048), (21280, 12085536), (21504, 11959645), (22008, 11685760), (23064, 11150720), (23560, 10915968), (23808, 10802260), (24320, 10574844), (24366, 10554880), (24738, 10396160), (24890, 10332672), (25152, 10225040), (25536, 10071280), (26040, 9876352), (26880, 9567716), (26908, 9557760), (27510, 9348608), (27776, 9259080), (28272, 9096640), (28427, 9047040), (28830, 8920576), (29184, 8812370), (29344, 8764320), (29760, 8641808), (29868, 8610560), (30752, 8363040), (31440, 8180032), (31744, 8101695), (31920, 8057024), (32488, 7916160), (32984, 7797120), (33536, 7668780), (33635, 7646208), (34048, 7553460), (34720, 7407264), (34846, 7380480), (35340, 7277312), (35840, 7175787), (36480, 7049896), (36518, 7042560), (36680, 7011456), (37335, 6888448), (37696, 6822480), (38440, 6690432), (39680, 6481356), (39824, 6457920), (40362, 6371840), (40610, 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