1278789120

素因数分解:

$2^9\times 3^4\times 5^1\times 7^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 400

約数和(自身を含む): 5240477088

約数和(自身を除く): 3961687968

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, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 512, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 881, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1536, 1620, 1680, 1728, 1762, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2560, 2592, 2643, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3524, 3584, 3780, 3840, 4032, 4320, 4405, 4480, 4536, 4608, 5040, 5184, 5286, 5376, 5670, 5760, 6048, 6167, 6480, 6720, 6912, 7048, 7560, 7680, 7929, 8064, 8640, 8810, 8960, 9072, 10080, 10368, 10572, 10752, 11340, 11520, 12096, 12334, 12960, 13215, 13440, 13824, 14096, 15120, 15858, 16128, 17280, 17620, 17920, 18144, 18501, 20160, 20736, 21144, 22680, 23040, 23787, 24192, 24668, 25920, 26430, 26880, 28192, 30240, 30835, 31716, 32256, 34560, 35240, 36288, 37002, 39645, 40320, 41472, 42288, 45360, 47574, 48384, 49336, 51840, 52860, 53760, 55503, 56384, 60480, 61670, 63432, 69120, 70480, 71361, 72576, 74004, 79290, 80640, 84576, 90720, 92505, 95148, 96768, 98672, 103680, 105720, 111006, 112768, 118935, 120960, 123340, 126864, 140960, 142722, 145152, 148008, 158580, 161280, 166509, 169152, 181440, 185010, 190296, 197344, 207360, 211440, 222012, 225536, 237870, 241920, 246680, 253728, 277515, 281920, 285444, 290304, 296016, 317160, 333018, 338304, 356805, 362880, 370020, 380592, 394688, 422880, 444024, 451072, 475740, 483840, 493360, 499527, 507456, 555030, 563840, 570888, 592032, 634320, 666036, 676608, 713610, 725760, 740040, 761184, 789376, 832545, 845760, 888048, 951480, 986720, 999054, 1014912, 1110060, 1127680, 1141776, 1184064, 1268640, 1332072, 1353216, 1427220, 1451520, 1480080, 1522368, 1578752, 1665090, 1691520, 1776096, 1902960, 1973440, 1998108, 2029824, 2220120, 2255360, 2283552, 2368128, 2497635, 2537280, 2664144, 2854440, 2960160, 3044736, 3157504, 3330180, 3383040, 3552192, 3805920, 3946880, 3996216, 4059648, 4440240, 4567104, 4736256, 4995270, 5074560, 5328288, 5708880, 5920320, 6089472, 6660360, 6766080, 7104384, 7611840, 7893760, 7992432, 8880480, 9134208, 9472512, 9990540, 10149120, 10656576, 11417760, 11840640, 12178944, 13320720, 14208768, 15223680, 15787520, 15984864, 17760960, 18268416, 19981080, 20298240, 21313152, 22835520, 23681280, 26641440, 28417536, 30447360, 31969728, 35521920, 36536832, 39962160, 42626304, 45671040, 47362560, 53282880, 60894720, 63939456, 71043840, 79924320, 85252608, 91342080, 106565760, 127878912, 142087680, 159848640, 182684160, 213131520, 255757824, 319697280, 426263040, 639394560, 1278789120]

約数ペア:

[(1, 1278789120), (2, 639394560), (3, 426263040), (4, 319697280), (5, 255757824), (6, 213131520), (7, 182684160), (8, 159848640), (9, 142087680), (10, 127878912), (12, 106565760), (14, 91342080), (15, 85252608), (16, 79924320), (18, 71043840), (20, 63939456), (21, 60894720), (24, 53282880), (27, 47362560), (28, 45671040), (30, 42626304), (32, 39962160), (35, 36536832), (36, 35521920), (40, 31969728), (42, 30447360), (45, 28417536), (48, 26641440), (54, 23681280), (56, 22835520), (60, 21313152), (63, 20298240), (64, 19981080), (70, 18268416), (72, 17760960), (80, 15984864), (81, 15787520), (84, 15223680), (90, 14208768), (96, 13320720), (105, 12178944), (108, 11840640), (112, 11417760), (120, 10656576), (126, 10149120), (128, 9990540), (135, 9472512), (140, 9134208), (144, 8880480), (160, 7992432), (162, 7893760), (168, 7611840), (180, 7104384), (189, 6766080), (192, 6660360), (210, 6089472), (216, 5920320), (224, 5708880), (240, 5328288), (252, 5074560), (256, 4995270), (270, 4736256), (280, 4567104), (288, 4440240), (315, 4059648), (320, 3996216), (324, 3946880), (336, 3805920), (360, 3552192), (378, 3383040), (384, 3330180), (405, 3157504), (420, 3044736), (432, 2960160), (448, 2854440), (480, 2664144), (504, 2537280), (512, 2497635), (540, 2368128), (560, 2283552), (567, 2255360), (576, 2220120), (630, 2029824), (640, 1998108), (648, 1973440), (672, 1902960), (720, 1776096), (756, 1691520), (768, 1665090), (810, 1578752), (840, 1522368), (864, 1480080), (881, 1451520), (896, 1427220), (945, 1353216), (960, 1332072), (1008, 1268640), (1080, 1184064), (1120, 1141776), (1134, 1127680), (1152, 1110060), (1260, 1014912), (1280, 999054), (1296, 986720), (1344, 951480), (1440, 888048), (1512, 845760), (1536, 832545), (1620, 789376), (1680, 761184), (1728, 740040), (1762, 725760), (1792, 713610), (1890, 676608), (1920, 666036), (2016, 634320), (2160, 592032), (2240, 570888), (2268, 563840), (2304, 555030), (2520, 507456), (2560, 499527), (2592, 493360), (2643, 483840), (2688, 475740), (2835, 451072), (2880, 444024), (3024, 422880), (3240, 394688), (3360, 380592), (3456, 370020), (3524, 362880), (3584, 356805), (3780, 338304), (3840, 333018), (4032, 317160), (4320, 296016), (4405, 290304), (4480, 285444), (4536, 281920), (4608, 277515), (5040, 253728), (5184, 246680), (5286, 241920), (5376, 237870), (5670, 225536), (5760, 222012), (6048, 211440), (6167, 207360), (6480, 197344), (6720, 190296), (6912, 185010), (7048, 181440), (7560, 169152), (7680, 166509), (7929, 161280), (8064, 158580), (8640, 148008), (8810, 145152), (8960, 142722), (9072, 140960), (10080, 126864), (10368, 123340), (10572, 120960), (10752, 118935), (11340, 112768), (11520, 111006), (12096, 105720), (12334, 103680), (12960, 98672), (13215, 96768), (13440, 95148), (13824, 92505), (14096, 90720), (15120, 84576), (15858, 80640), (16128, 79290), (17280, 74004), (17620, 72576), (17920, 71361), (18144, 70480), (18501, 69120), (20160, 63432), (20736, 61670), (21144, 60480), (22680, 56384), (23040, 55503), (23787, 53760), (24192, 52860), (24668, 51840), (25920, 49336), (26430, 48384), (26880, 47574), (28192, 45360), (30240, 42288), (30835, 41472), (31716, 40320), (32256, 39645), (34560, 37002), (35240, 36288)]