648587520

素因数分解:

$2^8\times 3^3\times 5^1\times 7^2\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 432

約数和(自身を含む): 2684344320

約数和(自身を除く): 2035756800

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, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 144, 147, 160, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 256, 270, 280, 288, 294, 315, 320, 336, 360, 378, 383, 384, 392, 420, 432, 441, 448, 480, 490, 504, 540, 560, 576, 588, 630, 640, 672, 720, 735, 756, 766, 768, 784, 840, 864, 882, 896, 945, 960, 980, 1008, 1080, 1120, 1149, 1152, 1176, 1260, 1280, 1323, 1344, 1440, 1470, 1512, 1532, 1568, 1680, 1728, 1764, 1792, 1890, 1915, 1920, 1960, 2016, 2160, 2205, 2240, 2298, 2304, 2352, 2520, 2646, 2681, 2688, 2880, 2940, 3024, 3064, 3136, 3360, 3447, 3456, 3528, 3780, 3830, 3840, 3920, 4032, 4320, 4410, 4480, 4596, 4704, 5040, 5292, 5362, 5376, 5745, 5760, 5880, 6048, 6128, 6272, 6615, 6720, 6894, 6912, 7056, 7560, 7660, 7840, 8043, 8064, 8640, 8820, 8960, 9192, 9408, 10080, 10341, 10584, 10724, 11490, 11520, 11760, 12096, 12256, 12544, 13230, 13405, 13440, 13788, 14112, 15120, 15320, 15680, 16086, 16128, 17235, 17280, 17640, 18384, 18767, 18816, 20160, 20682, 21168, 21448, 22980, 23520, 24129, 24192, 24512, 26460, 26810, 26880, 27576, 28224, 30240, 30640, 31360, 32172, 34470, 34560, 35280, 36768, 37534, 37632, 40215, 40320, 41364, 42336, 42896, 45960, 47040, 48258, 48384, 49024, 51705, 52920, 53620, 55152, 56301, 56448, 60480, 61280, 62720, 64344, 68940, 70560, 72387, 73536, 75068, 80430, 80640, 82728, 84672, 85792, 91920, 93835, 94080, 96516, 98048, 103410, 105840, 107240, 110304, 112602, 112896, 120645, 120960, 122560, 128688, 137880, 141120, 144774, 147072, 150136, 160860, 165456, 168903, 169344, 171584, 183840, 187670, 188160, 193032, 206820, 211680, 214480, 220608, 225204, 241290, 241920, 245120, 257376, 275760, 281505, 282240, 289548, 294144, 300272, 321720, 330912, 337806, 338688, 343168, 361935, 367680, 375340, 386064, 413640, 423360, 428960, 441216, 450408, 482580, 490240, 506709, 514752, 551520, 563010, 564480, 579096, 600544, 643440, 661824, 675612, 686336, 723870, 735360, 750680, 772128, 827280, 844515, 846720, 857920, 882432, 900816, 965160, 1013418, 1029504, 1103040, 1126020, 1158192, 1201088, 1286880, 1323648, 1351224, 1447740, 1470720, 1501360, 1544256, 1654560, 1689030, 1693440, 1715840, 1801632, 1930320, 2026836, 2059008, 2206080, 2252040, 2316384, 2402176, 2533545, 2573760, 2647296, 2702448, 2895480, 3002720, 3088512, 3309120, 3378060, 3431680, 3603264, 3860640, 4053672, 4412160, 4504080, 4632768, 4804352, 5067090, 5147520, 5404896, 5790960, 6005440, 6177024, 6618240, 6756120, 7206528, 7721280, 8107344, 9008160, 9265536, 10134180, 10295040, 10809792, 11581920, 12010880, 13236480, 13512240, 14413056, 15442560, 16214688, 18016320, 18531072, 20268360, 21619584, 23163840, 24021760, 27024480, 30885120, 32429376, 36032640, 40536720, 43239168, 46327680, 54048960, 64858752, 72065280, 81073440, 92655360, 108097920, 129717504, 162146880, 216195840, 324293760, 648587520]

約数ペア:

[(1, 648587520), (2, 324293760), (3, 216195840), (4, 162146880), (5, 129717504), (6, 108097920), (7, 92655360), (8, 81073440), (9, 72065280), (10, 64858752), (12, 54048960), (14, 46327680), (15, 43239168), (16, 40536720), (18, 36032640), (20, 32429376), (21, 30885120), (24, 27024480), (27, 24021760), (28, 23163840), (30, 21619584), (32, 20268360), (35, 18531072), (36, 18016320), (40, 16214688), (42, 15442560), (45, 14413056), (48, 13512240), (49, 13236480), (54, 12010880), (56, 11581920), (60, 10809792), (63, 10295040), (64, 10134180), (70, 9265536), (72, 9008160), (80, 8107344), (84, 7721280), (90, 7206528), (96, 6756120), (98, 6618240), (105, 6177024), (108, 6005440), (112, 5790960), (120, 5404896), (126, 5147520), (128, 5067090), (135, 4804352), (140, 4632768), (144, 4504080), (147, 4412160), (160, 4053672), (168, 3860640), (180, 3603264), (189, 3431680), (192, 3378060), (196, 3309120), (210, 3088512), (216, 3002720), (224, 2895480), (240, 2702448), (245, 2647296), (252, 2573760), (256, 2533545), (270, 2402176), (280, 2316384), (288, 2252040), (294, 2206080), (315, 2059008), (320, 2026836), (336, 1930320), (360, 1801632), (378, 1715840), (383, 1693440), (384, 1689030), (392, 1654560), (420, 1544256), (432, 1501360), (441, 1470720), (448, 1447740), (480, 1351224), (490, 1323648), (504, 1286880), (540, 1201088), (560, 1158192), (576, 1126020), (588, 1103040), (630, 1029504), (640, 1013418), (672, 965160), (720, 900816), (735, 882432), (756, 857920), (766, 846720), (768, 844515), (784, 827280), (840, 772128), (864, 750680), (882, 735360), (896, 723870), (945, 686336), (960, 675612), (980, 661824), (1008, 643440), (1080, 600544), (1120, 579096), (1149, 564480), (1152, 563010), (1176, 551520), (1260, 514752), (1280, 506709), (1323, 490240), (1344, 482580), (1440, 450408), (1470, 441216), (1512, 428960), (1532, 423360), (1568, 413640), (1680, 386064), (1728, 375340), (1764, 367680), (1792, 361935), (1890, 343168), (1915, 338688), (1920, 337806), (1960, 330912), (2016, 321720), (2160, 300272), (2205, 294144), (2240, 289548), (2298, 282240), (2304, 281505), (2352, 275760), (2520, 257376), (2646, 245120), (2681, 241920), (2688, 241290), (2880, 225204), (2940, 220608), (3024, 214480), (3064, 211680), (3136, 206820), (3360, 193032), (3447, 188160), (3456, 187670), (3528, 183840), (3780, 171584), (3830, 169344), (3840, 168903), (3920, 165456), (4032, 160860), (4320, 150136), (4410, 147072), (4480, 144774), (4596, 141120), (4704, 137880), (5040, 128688), (5292, 122560), (5362, 120960), (5376, 120645), (5745, 112896), (5760, 112602), (5880, 110304), (6048, 107240), (6128, 105840), (6272, 103410), (6615, 98048), (6720, 96516), (6894, 94080), (6912, 93835), (7056, 91920), (7560, 85792), (7660, 84672), (7840, 82728), (8043, 80640), (8064, 80430), (8640, 75068), (8820, 73536), (8960, 72387), (9192, 70560), (9408, 68940), (10080, 64344), (10341, 62720), (10584, 61280), (10724, 60480), (11490, 56448), (11520, 56301), (11760, 55152), (12096, 53620), (12256, 52920), (12544, 51705), (13230, 49024), (13405, 48384), (13440, 48258), (13788, 47040), (14112, 45960), (15120, 42896), (15320, 42336), (15680, 41364), (16086, 40320), (16128, 40215), (17235, 37632), (17280, 37534), (17640, 36768), (18384, 35280), (18767, 34560), (18816, 34470), (20160, 32172), (20682, 31360), (21168, 30640), (21448, 30240), (22980, 28224), (23520, 27576), (24129, 26880), (24192, 26810), (24512, 26460)]