1287390720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 480

約数和(自身を含む): 5239593216

約数和(自身を除く): 3952202496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 128, 132, 140, 147, 154, 160, 165, 168, 176, 192, 196, 210, 220, 224, 231, 240, 245, 256, 264, 280, 294, 308, 311, 320, 330, 336, 352, 384, 385, 392, 420, 440, 448, 462, 480, 490, 512, 528, 539, 560, 588, 616, 622, 640, 660, 672, 704, 735, 768, 770, 784, 840, 880, 896, 924, 933, 960, 980, 1056, 1078, 1120, 1155, 1176, 1232, 1244, 1280, 1320, 1344, 1408, 1470, 1536, 1540, 1555, 1568, 1617, 1680, 1760, 1792, 1848, 1866, 1920, 1960, 2112, 2156, 2177, 2240, 2310, 2352, 2464, 2488, 2560, 2640, 2688, 2695, 2816, 2940, 3080, 3110, 3136, 3234, 3360, 3421, 3520, 3584, 3696, 3732, 3840, 3920, 4224, 4312, 4354, 4480, 4620, 4665, 4704, 4928, 4976, 5280, 5376, 5390, 5632, 5880, 6160, 6220, 6272, 6468, 6531, 6720, 6842, 7040, 7392, 7464, 7680, 7840, 8085, 8448, 8624, 8708, 8960, 9240, 9330, 9408, 9856, 9952, 10263, 10560, 10752, 10780, 10885, 11760, 12320, 12440, 12544, 12936, 13062, 13440, 13684, 14080, 14784, 14928, 15239, 15680, 16170, 16896, 17105, 17248, 17416, 17920, 18480, 18660, 18816, 19712, 19904, 20526, 21120, 21560, 21770, 23520, 23947, 24640, 24880, 25088, 25872, 26124, 26880, 27368, 28160, 29568, 29856, 30478, 31360, 32340, 32655, 34210, 34496, 34832, 36960, 37320, 37632, 39424, 39808, 41052, 42240, 43120, 43540, 45717, 47040, 47894, 49280, 49760, 51315, 51744, 52248, 53760, 54736, 59136, 59712, 60956, 62720, 64680, 65310, 68420, 68992, 69664, 71841, 73920, 74640, 75264, 76195, 79616, 82104, 84480, 86240, 87080, 91434, 94080, 95788, 98560, 99520, 102630, 103488, 104496, 109472, 118272, 119424, 119735, 121912, 125440, 129360, 130620, 136840, 137984, 139328, 143682, 147840, 149280, 152390, 159232, 164208, 167629, 172480, 174160, 182868, 188160, 191576, 197120, 199040, 205260, 206976, 208992, 218944, 228585, 238848, 239470, 243824, 258720, 261240, 273680, 275968, 278656, 287364, 295680, 298560, 304780, 328416, 335258, 344960, 348320, 359205, 365736, 376320, 383152, 398080, 410520, 413952, 417984, 437888, 457170, 477696, 478940, 487648, 502887, 517440, 522480, 547360, 557312, 574728, 591360, 597120, 609560, 656832, 670516, 689920, 696640, 718410, 731472, 766304, 796160, 821040, 827904, 835968, 838145, 875776, 914340, 957880, 975296, 1005774, 1034880, 1044960, 1094720, 1114624, 1149456, 1194240, 1219120, 1313664, 1341032, 1379840, 1393280, 1436820, 1462944, 1532608, 1642080, 1671936, 1676290, 1751552, 1828680, 1915760, 1950592, 2011548, 2069760, 2089920, 2189440, 2298912, 2388480, 2438240, 2514435, 2627328, 2682064, 2786560, 2873640, 2925888, 3065216, 3284160, 3343872, 3352580, 3657360, 3831520, 3901184, 4023096, 4139520, 4179840, 4378880, 4597824, 4876480, 5028870, 5254656, 5364128, 5573120, 5747280, 5851776, 6130432, 6568320, 6705160, 7314720, 7663040, 7802368, 8046192, 8359680, 8757760, 9195648, 9752960, 10057740, 10728256, 11494560, 11703552, 12260864, 13136640, 13410320, 14629440, 15326080, 16092384, 16719360, 18391296, 19505920, 20115480, 21456512, 22989120, 23407104, 26273280, 26820640, 29258880, 30652160, 32184768, 36782592, 39011840, 40230960, 42913024, 45978240, 53641280, 58517760, 61304320, 64369536, 80461920, 85826048, 91956480, 107282560, 117035520, 128739072, 160923840, 183912960, 214565120, 257478144, 321847680, 429130240, 643695360, 1287390720]

約数ペア:

[(1, 1287390720), (2, 643695360), (3, 429130240), (4, 321847680), (5, 257478144), (6, 214565120), (7, 183912960), (8, 160923840), (10, 128739072), (11, 117035520), (12, 107282560), (14, 91956480), (15, 85826048), (16, 80461920), (20, 64369536), (21, 61304320), (22, 58517760), (24, 53641280), (28, 45978240), (30, 42913024), (32, 40230960), (33, 39011840), (35, 36782592), (40, 32184768), (42, 30652160), (44, 29258880), (48, 26820640), (49, 26273280), (55, 23407104), (56, 22989120), (60, 21456512), (64, 20115480), (66, 19505920), (70, 18391296), (77, 16719360), (80, 16092384), (84, 15326080), (88, 14629440), (96, 13410320), (98, 13136640), (105, 12260864), (110, 11703552), (112, 11494560), (120, 10728256), (128, 10057740), (132, 9752960), (140, 9195648), (147, 8757760), (154, 8359680), (160, 8046192), (165, 7802368), (168, 7663040), (176, 7314720), (192, 6705160), (196, 6568320), (210, 6130432), (220, 5851776), (224, 5747280), (231, 5573120), (240, 5364128), (245, 5254656), (256, 5028870), (264, 4876480), (280, 4597824), (294, 4378880), (308, 4179840), (311, 4139520), (320, 4023096), (330, 3901184), (336, 3831520), (352, 3657360), (384, 3352580), (385, 3343872), (392, 3284160), (420, 3065216), (440, 2925888), (448, 2873640), (462, 2786560), (480, 2682064), (490, 2627328), (512, 2514435), (528, 2438240), (539, 2388480), (560, 2298912), (588, 2189440), (616, 2089920), (622, 2069760), (640, 2011548), (660, 1950592), (672, 1915760), (704, 1828680), (735, 1751552), (768, 1676290), (770, 1671936), (784, 1642080), (840, 1532608), (880, 1462944), (896, 1436820), (924, 1393280), (933, 1379840), (960, 1341032), (980, 1313664), (1056, 1219120), (1078, 1194240), (1120, 1149456), (1155, 1114624), (1176, 1094720), (1232, 1044960), (1244, 1034880), (1280, 1005774), (1320, 975296), (1344, 957880), (1408, 914340), (1470, 875776), (1536, 838145), (1540, 835968), (1555, 827904), (1568, 821040), (1617, 796160), (1680, 766304), (1760, 731472), (1792, 718410), (1848, 696640), (1866, 689920), (1920, 670516), (1960, 656832), (2112, 609560), (2156, 597120), (2177, 591360), (2240, 574728), (2310, 557312), (2352, 547360), (2464, 522480), (2488, 517440), (2560, 502887), (2640, 487648), (2688, 478940), (2695, 477696), (2816, 457170), (2940, 437888), (3080, 417984), (3110, 413952), (3136, 410520), (3234, 398080), (3360, 383152), (3421, 376320), (3520, 365736), (3584, 359205), (3696, 348320), (3732, 344960), (3840, 335258), (3920, 328416), (4224, 304780), (4312, 298560), (4354, 295680), (4480, 287364), (4620, 278656), (4665, 275968), (4704, 273680), (4928, 261240), (4976, 258720), (5280, 243824), (5376, 239470), (5390, 238848), (5632, 228585), (5880, 218944), (6160, 208992), (6220, 206976), (6272, 205260), (6468, 199040), (6531, 197120), (6720, 191576), (6842, 188160), (7040, 182868), (7392, 174160), (7464, 172480), (7680, 167629), (7840, 164208), (8085, 159232), (8448, 152390), (8624, 149280), (8708, 147840), (8960, 143682), (9240, 139328), (9330, 137984), (9408, 136840), (9856, 130620), (9952, 129360), (10263, 125440), (10560, 121912), (10752, 119735), (10780, 119424), (10885, 118272), (11760, 109472), (12320, 104496), (12440, 103488), (12544, 102630), (12936, 99520), (13062, 98560), (13440, 95788), (13684, 94080), (14080, 91434), (14784, 87080), (14928, 86240), (15239, 84480), (15680, 82104), (16170, 79616), (16896, 76195), (17105, 75264), (17248, 74640), (17416, 73920), (17920, 71841), (18480, 69664), (18660, 68992), (18816, 68420), (19712, 65310), (19904, 64680), (20526, 62720), (21120, 60956), (21560, 59712), (21770, 59136), (23520, 54736), (23947, 53760), (24640, 52248), (24880, 51744), (25088, 51315), (25872, 49760), (26124, 49280), (26880, 47894), (27368, 47040), (28160, 45717), (29568, 43540), (29856, 43120), (30478, 42240), (31360, 41052), (32340, 39808), (32655, 39424), (34210, 37632), (34496, 37320), (34832, 36960)]