639394560

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 360

約数和(自身を含む): 2617677216

約数和(自身を除く): 1978282656

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, 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, 1620, 1680, 1728, 1762, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2643, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3524, 3780, 3840, 4032, 4320, 4405, 4480, 4536, 5040, 5184, 5286, 5376, 5670, 5760, 6048, 6167, 6480, 6720, 6912, 7048, 7560, 7929, 8064, 8640, 8810, 8960, 9072, 10080, 10368, 10572, 11340, 11520, 12096, 12334, 12960, 13215, 13440, 14096, 15120, 15858, 16128, 17280, 17620, 18144, 18501, 20160, 20736, 21144, 22680, 23787, 24192, 24668, 25920, 26430, 26880, 28192, 30240, 30835, 31716, 34560, 35240, 36288, 37002, 39645, 40320, 42288, 45360, 47574, 48384, 49336, 51840, 52860, 55503, 56384, 60480, 61670, 63432, 70480, 71361, 72576, 74004, 79290, 80640, 84576, 90720, 92505, 95148, 98672, 103680, 105720, 111006, 112768, 118935, 120960, 123340, 126864, 140960, 142722, 145152, 148008, 158580, 166509, 169152, 181440, 185010, 190296, 197344, 211440, 222012, 225536, 237870, 241920, 246680, 253728, 277515, 281920, 285444, 296016, 317160, 333018, 338304, 356805, 362880, 370020, 380592, 394688, 422880, 444024, 475740, 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, 1427220, 1480080, 1522368, 1578752, 1665090, 1691520, 1776096, 1902960, 1973440, 1998108, 2029824, 2220120, 2283552, 2368128, 2497635, 2537280, 2664144, 2854440, 2960160, 3044736, 3330180, 3383040, 3552192, 3805920, 3946880, 3996216, 4440240, 4567104, 4736256, 4995270, 5074560, 5328288, 5708880, 5920320, 6089472, 6660360, 7104384, 7611840, 7893760, 7992432, 8880480, 9134208, 9990540, 10149120, 10656576, 11417760, 11840640, 13320720, 14208768, 15223680, 15984864, 17760960, 18268416, 19981080, 21313152, 22835520, 23681280, 26641440, 30447360, 31969728, 35521920, 39962160, 42626304, 45671040, 53282880, 63939456, 71043840, 79924320, 91342080, 106565760, 127878912, 159848640, 213131520, 319697280, 639394560]

約数ペア:

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