257402880

素因数分解:

$2^{11}\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 576

約数和(自身を含む): 1120392000

約数和(自身を除く): 862989120

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, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 147, 152, 160, 168, 171, 180, 189, 190, 192, 196, 210, 216, 224, 228, 240, 245, 252, 256, 266, 270, 280, 285, 288, 294, 304, 315, 320, 336, 342, 360, 378, 380, 384, 392, 399, 420, 432, 441, 448, 456, 480, 490, 504, 512, 513, 532, 540, 560, 570, 576, 588, 608, 630, 640, 665, 672, 684, 720, 735, 756, 760, 768, 784, 798, 840, 855, 864, 882, 896, 912, 931, 945, 960, 980, 1008, 1024, 1026, 1064, 1080, 1120, 1140, 1152, 1176, 1197, 1216, 1260, 1280, 1323, 1330, 1344, 1368, 1440, 1470, 1512, 1520, 1536, 1568, 1596, 1680, 1710, 1728, 1764, 1792, 1824, 1862, 1890, 1920, 1960, 1995, 2016, 2048, 2052, 2128, 2160, 2205, 2240, 2280, 2304, 2352, 2394, 2432, 2520, 2560, 2565, 2646, 2660, 2688, 2736, 2793, 2880, 2940, 3024, 3040, 3072, 3136, 3192, 3360, 3420, 3456, 3528, 3584, 3591, 3648, 3724, 3780, 3840, 3920, 3990, 4032, 4104, 4256, 4320, 4410, 4480, 4560, 4608, 4655, 4704, 4788, 4864, 5040, 5120, 5130, 5292, 5320, 5376, 5472, 5586, 5760, 5880, 5985, 6048, 6080, 6144, 6272, 6384, 6615, 6720, 6840, 6912, 7056, 7168, 7182, 7296, 7448, 7560, 7680, 7840, 7980, 8064, 8208, 8379, 8512, 8640, 8820, 8960, 9120, 9216, 9310, 9408, 9576, 9728, 10080, 10240, 10260, 10584, 10640, 10752, 10944, 11172, 11520, 11760, 11970, 12096, 12160, 12544, 12768, 13230, 13440, 13680, 13824, 13965, 14112, 14336, 14364, 14592, 14896, 15120, 15360, 15680, 15960, 16128, 16416, 16758, 17024, 17280, 17640, 17920, 17955, 18240, 18432, 18620, 18816, 19152, 19456, 20160, 20520, 21168, 21280, 21504, 21888, 22344, 23040, 23520, 23940, 24192, 24320, 25088, 25137, 25536, 26460, 26880, 27360, 27648, 27930, 28224, 28728, 29184, 29792, 30240, 30720, 31360, 31920, 32256, 32832, 33516, 34048, 34560, 35280, 35840, 35910, 36480, 37240, 37632, 38304, 38912, 40320, 41040, 41895, 42336, 42560, 43008, 43776, 44688, 46080, 47040, 47880, 48384, 48640, 50176, 50274, 51072, 52920, 53760, 54720, 55296, 55860, 56448, 57456, 58368, 59584, 60480, 62720, 63840, 64512, 65664, 67032, 68096, 69120, 70560, 71680, 71820, 72960, 74480, 75264, 76608, 80640, 82080, 83790, 84672, 85120, 87552, 89376, 92160, 94080, 95760, 96768, 97280, 100352, 100548, 102144, 105840, 107520, 109440, 111720, 112896, 114912, 116736, 119168, 120960, 125440, 125685, 127680, 129024, 131328, 134064, 136192, 138240, 141120, 143640, 145920, 148960, 150528, 153216, 161280, 164160, 167580, 169344, 170240, 175104, 178752, 188160, 191520, 193536, 194560, 201096, 204288, 211680, 215040, 218880, 223440, 225792, 229824, 238336, 241920, 250880, 251370, 255360, 262656, 268128, 272384, 276480, 282240, 287280, 291840, 297920, 301056, 306432, 322560, 328320, 335160, 338688, 340480, 350208, 357504, 376320, 383040, 387072, 402192, 408576, 423360, 437760, 446880, 451584, 459648, 476672, 483840, 501760, 502740, 510720, 525312, 536256, 564480, 574560, 583680, 595840, 612864, 645120, 656640, 670320, 677376, 680960, 715008, 752640, 766080, 804384, 817152, 846720, 875520, 893760, 903168, 919296, 953344, 967680, 1005480, 1021440, 1050624, 1072512, 1128960, 1149120, 1191680, 1225728, 1313280, 1340640, 1354752, 1361920, 1430016, 1505280, 1532160, 1608768, 1693440, 1751040, 1787520, 1838592, 1906688, 1935360, 2010960, 2042880, 2145024, 2257920, 2298240, 2383360, 2451456, 2626560, 2681280, 2709504, 2860032, 3064320, 3217536, 3386880, 3575040, 3677184, 4021920, 4085760, 4290048, 4515840, 4596480, 4766720, 5253120, 5362560, 5720064, 6128640, 6435072, 6773760, 7150080, 7354368, 8043840, 8580096, 9192960, 9533440, 10725120, 12257280, 12870144, 13547520, 14300160, 16087680, 17160192, 18385920, 21450240, 25740288, 28600320, 32175360, 36771840, 42900480, 51480576, 64350720, 85800960, 128701440, 257402880]

約数ペア:

[(1, 257402880), (2, 128701440), (3, 85800960), (4, 64350720), (5, 51480576), (6, 42900480), (7, 36771840), (8, 32175360), (9, 28600320), (10, 25740288), (12, 21450240), (14, 18385920), (15, 17160192), (16, 16087680), (18, 14300160), (19, 13547520), (20, 12870144), (21, 12257280), (24, 10725120), (27, 9533440), (28, 9192960), (30, 8580096), (32, 8043840), (35, 7354368), (36, 7150080), (38, 6773760), (40, 6435072), (42, 6128640), (45, 5720064), (48, 5362560), (49, 5253120), (54, 4766720), (56, 4596480), (57, 4515840), (60, 4290048), (63, 4085760), (64, 4021920), (70, 3677184), (72, 3575040), (76, 3386880), (80, 3217536), (84, 3064320), (90, 2860032), (95, 2709504), (96, 2681280), (98, 2626560), (105, 2451456), (108, 2383360), (112, 2298240), (114, 2257920), (120, 2145024), (126, 2042880), (128, 2010960), (133, 1935360), (135, 1906688), (140, 1838592), (144, 1787520), (147, 1751040), (152, 1693440), (160, 1608768), (168, 1532160), (171, 1505280), (180, 1430016), (189, 1361920), (190, 1354752), (192, 1340640), (196, 1313280), (210, 1225728), (216, 1191680), (224, 1149120), (228, 1128960), (240, 1072512), (245, 1050624), (252, 1021440), (256, 1005480), (266, 967680), (270, 953344), (280, 919296), (285, 903168), (288, 893760), (294, 875520), (304, 846720), (315, 817152), (320, 804384), (336, 766080), (342, 752640), (360, 715008), (378, 680960), (380, 677376), (384, 670320), (392, 656640), (399, 645120), (420, 612864), (432, 595840), (441, 583680), (448, 574560), (456, 564480), (480, 536256), (490, 525312), (504, 510720), (512, 502740), (513, 501760), (532, 483840), (540, 476672), (560, 459648), (570, 451584), (576, 446880), (588, 437760), (608, 423360), (630, 408576), (640, 402192), (665, 387072), (672, 383040), (684, 376320), (720, 357504), (735, 350208), (756, 340480), (760, 338688), (768, 335160), (784, 328320), (798, 322560), (840, 306432), (855, 301056), (864, 297920), (882, 291840), (896, 287280), (912, 282240), (931, 276480), (945, 272384), (960, 268128), (980, 262656), (1008, 255360), (1024, 251370), (1026, 250880), (1064, 241920), (1080, 238336), (1120, 229824), (1140, 225792), (1152, 223440), (1176, 218880), (1197, 215040), (1216, 211680), (1260, 204288), (1280, 201096), (1323, 194560), (1330, 193536), (1344, 191520), (1368, 188160), (1440, 178752), (1470, 175104), (1512, 170240), (1520, 169344), (1536, 167580), (1568, 164160), (1596, 161280), (1680, 153216), (1710, 150528), (1728, 148960), (1764, 145920), (1792, 143640), (1824, 141120), (1862, 138240), (1890, 136192), (1920, 134064), (1960, 131328), (1995, 129024), (2016, 127680), (2048, 125685), (2052, 125440), (2128, 120960), (2160, 119168), (2205, 116736), (2240, 114912), (2280, 112896), (2304, 111720), (2352, 109440), (2394, 107520), (2432, 105840), (2520, 102144), (2560, 100548), (2565, 100352), (2646, 97280), (2660, 96768), (2688, 95760), (2736, 94080), (2793, 92160), (2880, 89376), (2940, 87552), (3024, 85120), (3040, 84672), (3072, 83790), (3136, 82080), (3192, 80640), (3360, 76608), (3420, 75264), (3456, 74480), (3528, 72960), (3584, 71820), (3591, 71680), (3648, 70560), (3724, 69120), (3780, 68096), (3840, 67032), (3920, 65664), (3990, 64512), (4032, 63840), (4104, 62720), (4256, 60480), (4320, 59584), (4410, 58368), (4480, 57456), (4560, 56448), (4608, 55860), (4655, 55296), (4704, 54720), (4788, 53760), (4864, 52920), (5040, 51072), (5120, 50274), (5130, 50176), (5292, 48640), (5320, 48384), (5376, 47880), (5472, 47040), (5586, 46080), (5760, 44688), (5880, 43776), (5985, 43008), (6048, 42560), (6080, 42336), (6144, 41895), (6272, 41040), (6384, 40320), (6615, 38912), (6720, 38304), (6840, 37632), (6912, 37240), (7056, 36480), (7168, 35910), (7182, 35840), (7296, 35280), (7448, 34560), (7560, 34048), (7680, 33516), (7840, 32832), (7980, 32256), (8064, 31920), (8208, 31360), (8379, 30720), (8512, 30240), (8640, 29792), (8820, 29184), (8960, 28728), (9120, 28224), (9216, 27930), (9310, 27648), (9408, 27360), (9576, 26880), (9728, 26460), (10080, 25536), (10240, 25137), (10260, 25088), (10584, 24320), (10640, 24192), (10752, 23940), (10944, 23520), (11172, 23040), (11520, 22344), (11760, 21888), (11970, 21504), (12096, 21280), (12160, 21168), (12544, 20520), (12768, 20160), (13230, 19456), (13440, 19152), (13680, 18816), (13824, 18620), (13965, 18432), (14112, 18240), (14336, 17955), (14364, 17920), (14592, 17640), (14896, 17280), (15120, 17024), (15360, 16758), (15680, 16416), (15960, 16128)]