1780208640

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{5519}}^1$

素因数の和:5557

約数の個数: 264

約数和(自身を含む): 7050850560

約数和(自身を除く): 5270641920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5120, 5376, 5519, 5760, 6720, 7168, 7680, 8064, 8960, 9216, 10080, 10752, 11038, 11520, 13440, 15360, 16128, 16557, 17920, 20160, 21504, 22076, 23040, 26880, 27595, 32256, 33114, 35840, 38633, 40320, 44152, 46080, 49671, 53760, 55190, 64512, 66228, 77266, 80640, 82785, 88304, 99342, 107520, 110380, 115899, 132456, 154532, 161280, 165570, 176608, 193165, 198684, 220760, 231798, 248355, 264912, 309064, 322560, 331140, 347697, 353216, 386330, 397368, 441520, 463596, 496710, 529824, 579495, 618128, 662280, 695394, 706432, 772660, 794736, 883040, 927192, 993420, 1059648, 1158990, 1236256, 1324560, 1390788, 1412864, 1545320, 1589472, 1738485, 1766080, 1854384, 1986840, 2119296, 2317980, 2472512, 2649120, 2781576, 2825728, 3090640, 3178944, 3476970, 3532160, 3708768, 3973680, 4238592, 4635960, 4945024, 5298240, 5563152, 5651456, 6181280, 6357888, 6953940, 7064320, 7417536, 7947360, 8477184, 9271920, 9890048, 10596480, 11126304, 12362560, 12715776, 13907880, 14128640, 14835072, 15894720, 16954368, 18543840, 19780096, 21192960, 22252608, 24725120, 25431552, 27815760, 28257280, 29670144, 31789440, 37087680, 39560192, 42385920, 44505216, 49450240, 50863104, 55631520, 59340288, 63578880, 74175360, 84771840, 89010432, 98900480, 111263040, 118680576, 127157760, 148350720, 178020864, 197800960, 222526080, 254315520, 296701440, 356041728, 445052160, 593402880, 890104320, 1780208640]

約数ペア:

[(1, 1780208640), (2, 890104320), (3, 593402880), (4, 445052160), (5, 356041728), (6, 296701440), (7, 254315520), (8, 222526080), (9, 197800960), (10, 178020864), (12, 148350720), (14, 127157760), (15, 118680576), (16, 111263040), (18, 98900480), (20, 89010432), (21, 84771840), (24, 74175360), (28, 63578880), (30, 59340288), (32, 55631520), (35, 50863104), (36, 49450240), (40, 44505216), (42, 42385920), (45, 39560192), (48, 37087680), (56, 31789440), (60, 29670144), (63, 28257280), (64, 27815760), (70, 25431552), (72, 24725120), (80, 22252608), (84, 21192960), (90, 19780096), (96, 18543840), (105, 16954368), (112, 15894720), (120, 14835072), (126, 14128640), (128, 13907880), (140, 12715776), (144, 12362560), (160, 11126304), (168, 10596480), (180, 9890048), (192, 9271920), (210, 8477184), (224, 7947360), (240, 7417536), (252, 7064320), (256, 6953940), (280, 6357888), (288, 6181280), (315, 5651456), (320, 5563152), (336, 5298240), (360, 4945024), (384, 4635960), (420, 4238592), (448, 3973680), (480, 3708768), (504, 3532160), (512, 3476970), (560, 3178944), (576, 3090640), (630, 2825728), (640, 2781576), (672, 2649120), (720, 2472512), (768, 2317980), (840, 2119296), (896, 1986840), (960, 1854384), (1008, 1766080), (1024, 1738485), (1120, 1589472), (1152, 1545320), (1260, 1412864), (1280, 1390788), (1344, 1324560), (1440, 1236256), (1536, 1158990), (1680, 1059648), (1792, 993420), (1920, 927192), (2016, 883040), (2240, 794736), (2304, 772660), (2520, 706432), (2560, 695394), (2688, 662280), (2880, 618128), (3072, 579495), (3360, 529824), (3584, 496710), (3840, 463596), (4032, 441520), (4480, 397368), (4608, 386330), (5040, 353216), (5120, 347697), (5376, 331140), (5519, 322560), (5760, 309064), (6720, 264912), (7168, 248355), (7680, 231798), (8064, 220760), (8960, 198684), (9216, 193165), (10080, 176608), (10752, 165570), (11038, 161280), (11520, 154532), (13440, 132456), (15360, 115899), (16128, 110380), (16557, 107520), (17920, 99342), (20160, 88304), (21504, 82785), (22076, 80640), (23040, 77266), (26880, 66228), (27595, 64512), (32256, 55190), (33114, 53760), (35840, 49671), (38633, 46080), (40320, 44152)]