21018890880

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31189}}^1$

素因数の和:31233

約数の個数: 320

約数和(自身を含む): 80838865800

約数和(自身を除く): 59819974920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 384, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 648, 702, 720, 780, 810, 832, 864, 936, 960, 1040, 1053, 1080, 1152, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1664, 1728, 1755, 1872, 1920, 2080, 2106, 2160, 2340, 2496, 2592, 2808, 2880, 3120, 3240, 3456, 3510, 3744, 4160, 4212, 4320, 4680, 4992, 5184, 5265, 5616, 5760, 6240, 6480, 7020, 7488, 8320, 8424, 8640, 9360, 10368, 10530, 11232, 12480, 12960, 14040, 14976, 16848, 17280, 18720, 21060, 22464, 24960, 25920, 28080, 31189, 33696, 37440, 42120, 44928, 51840, 56160, 62378, 67392, 74880, 84240, 93567, 112320, 124756, 134784, 155945, 168480, 187134, 224640, 249512, 280701, 311890, 336960, 374268, 405457, 467835, 499024, 561402, 623780, 673920, 748536, 810914, 842103, 935670, 998048, 1122804, 1216371, 1247560, 1403505, 1497072, 1621828, 1684206, 1871340, 1996096, 2027285, 2245608, 2432742, 2495120, 2526309, 2807010, 2994144, 3243656, 3368412, 3649113, 3742680, 3992192, 4054570, 4210515, 4491216, 4865484, 4990240, 5052618, 5614020, 5988288, 6081855, 6487312, 6736824, 7298226, 7485360, 8109140, 8421030, 8982432, 9730968, 9980480, 10105236, 10947339, 11228040, 11976576, 12163710, 12631545, 12974624, 13473648, 14596452, 14970720, 16218280, 16842060, 17964864, 18245565, 19461936, 19960960, 20210472, 21894678, 22456080, 24327420, 25263090, 25949248, 26947296, 29192904, 29941440, 32436560, 32842017, 33684120, 35929728, 36491130, 38923872, 40420944, 43789356, 44912160, 48654840, 50526180, 51898496, 53894592, 54736695, 58385808, 59882880, 64873120, 65684034, 67368240, 72982260, 77847744, 80841888, 87578712, 89824320, 97309680, 101052360, 107789184, 109473390, 116771616, 129746240, 131368068, 134736480, 145964520, 155695488, 161683776, 164210085, 175157424, 179648640, 194619360, 202104720, 218946780, 233543232, 259492480, 262736136, 269472960, 291929040, 323367552, 328420170, 350314848, 389238720, 404209440, 437893560, 467086464, 525472272, 538945920, 583858080, 656840340, 700629696, 778477440, 808418880, 875787120, 1050944544, 1167716160, 1313680680, 1401259392, 1616837760, 1751574240, 2101889088, 2335432320, 2627361360, 3503148480, 4203778176, 5254722720, 7006296960, 10509445440, 21018890880]

約数ペア:

[(1, 21018890880), (2, 10509445440), (3, 7006296960), (4, 5254722720), (5, 4203778176), (6, 3503148480), (8, 2627361360), (9, 2335432320), (10, 2101889088), (12, 1751574240), (13, 1616837760), (15, 1401259392), (16, 1313680680), (18, 1167716160), (20, 1050944544), (24, 875787120), (26, 808418880), (27, 778477440), (30, 700629696), (32, 656840340), (36, 583858080), (39, 538945920), (40, 525472272), (45, 467086464), (48, 437893560), (52, 404209440), (54, 389238720), (60, 350314848), (64, 328420170), (65, 323367552), (72, 291929040), (78, 269472960), (80, 262736136), (81, 259492480), (90, 233543232), (96, 218946780), (104, 202104720), (108, 194619360), (117, 179648640), (120, 175157424), (128, 164210085), (130, 161683776), (135, 155695488), (144, 145964520), (156, 134736480), (160, 131368068), (162, 129746240), (180, 116771616), (192, 109473390), (195, 107789184), (208, 101052360), (216, 97309680), (234, 89824320), (240, 87578712), (260, 80841888), (270, 77847744), (288, 72982260), (312, 67368240), (320, 65684034), (324, 64873120), (351, 59882880), (360, 58385808), (384, 54736695), (390, 53894592), (405, 51898496), (416, 50526180), (432, 48654840), (468, 44912160), (480, 43789356), (520, 40420944), (540, 38923872), (576, 36491130), (585, 35929728), (624, 33684120), (640, 32842017), (648, 32436560), (702, 29941440), (720, 29192904), (780, 26947296), (810, 25949248), (832, 25263090), (864, 24327420), (936, 22456080), (960, 21894678), (1040, 20210472), (1053, 19960960), (1080, 19461936), (1152, 18245565), (1170, 17964864), (1248, 16842060), (1296, 16218280), (1404, 14970720), (1440, 14596452), (1560, 13473648), (1620, 12974624), (1664, 12631545), (1728, 12163710), (1755, 11976576), (1872, 11228040), (1920, 10947339), (2080, 10105236), (2106, 9980480), (2160, 9730968), (2340, 8982432), (2496, 8421030), (2592, 8109140), (2808, 7485360), (2880, 7298226), (3120, 6736824), (3240, 6487312), (3456, 6081855), (3510, 5988288), (3744, 5614020), (4160, 5052618), (4212, 4990240), (4320, 4865484), (4680, 4491216), (4992, 4210515), (5184, 4054570), (5265, 3992192), (5616, 3742680), (5760, 3649113), (6240, 3368412), (6480, 3243656), (7020, 2994144), (7488, 2807010), (8320, 2526309), (8424, 2495120), (8640, 2432742), (9360, 2245608), (10368, 2027285), (10530, 1996096), (11232, 1871340), (12480, 1684206), (12960, 1621828), (14040, 1497072), (14976, 1403505), (16848, 1247560), (17280, 1216371), (18720, 1122804), (21060, 998048), (22464, 935670), (24960, 842103), (25920, 810914), (28080, 748536), (31189, 673920), (33696, 623780), (37440, 561402), (42120, 499024), (44928, 467835), (51840, 405457), (56160, 374268), (62378, 336960), (67392, 311890), (74880, 280701), (84240, 249512), (93567, 224640), (112320, 187134), (124756, 168480), (134784, 155945)]