389249280

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 288

約数和(自身を含む): 1579603200

約数和(自身を除く): 1190353920

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, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1609, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3218, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 4827, 5040, 5376, 5760, 6048, 6436, 6720, 6912, 7560, 8045, 8064, 8640, 8960, 9654, 10080, 11263, 11520, 12096, 12872, 13440, 14481, 15120, 16090, 16128, 17280, 19308, 20160, 22526, 24135, 24192, 25744, 26880, 28962, 30240, 32180, 33789, 34560, 38616, 40320, 43443, 45052, 48270, 48384, 51488, 56315, 57924, 60480, 64360, 67578, 72405, 77232, 80640, 86886, 90104, 96540, 101367, 102976, 112630, 115848, 120960, 128720, 135156, 144810, 154464, 168945, 173772, 180208, 193080, 202734, 205952, 217215, 225260, 231696, 241920, 257440, 270312, 289620, 304101, 308928, 337890, 347544, 360416, 386160, 405468, 411904, 434430, 450520, 463392, 506835, 514880, 540624, 579240, 608202, 617856, 675780, 695088, 720832, 772320, 810936, 868860, 901040, 926784, 1013670, 1029760, 1081248, 1158480, 1216404, 1235712, 1351560, 1390176, 1441664, 1520505, 1544640, 1621872, 1737720, 1802080, 1853568, 2027340, 2059520, 2162496, 2316960, 2432808, 2703120, 2780352, 2883328, 3041010, 3089280, 3243744, 3475440, 3604160, 3707136, 4054680, 4324992, 4633920, 4865616, 5406240, 5560704, 6082020, 6178560, 6487488, 6950880, 7208320, 8109360, 8649984, 9267840, 9731232, 10812480, 11121408, 12164040, 12974976, 13901760, 14416640, 16218720, 18535680, 19462464, 21624960, 24328080, 25949952, 27803520, 32437440, 38924928, 43249920, 48656160, 55607040, 64874880, 77849856, 97312320, 129749760, 194624640, 389249280]

約数ペア:

[(1, 389249280), (2, 194624640), (3, 129749760), (4, 97312320), (5, 77849856), (6, 64874880), (7, 55607040), (8, 48656160), (9, 43249920), (10, 38924928), (12, 32437440), (14, 27803520), (15, 25949952), (16, 24328080), (18, 21624960), (20, 19462464), (21, 18535680), (24, 16218720), (27, 14416640), (28, 13901760), (30, 12974976), (32, 12164040), (35, 11121408), (36, 10812480), (40, 9731232), (42, 9267840), (45, 8649984), (48, 8109360), (54, 7208320), (56, 6950880), (60, 6487488), (63, 6178560), (64, 6082020), (70, 5560704), (72, 5406240), (80, 4865616), (84, 4633920), (90, 4324992), (96, 4054680), (105, 3707136), (108, 3604160), (112, 3475440), (120, 3243744), (126, 3089280), (128, 3041010), (135, 2883328), (140, 2780352), (144, 2703120), (160, 2432808), (168, 2316960), (180, 2162496), (189, 2059520), (192, 2027340), (210, 1853568), (216, 1802080), (224, 1737720), (240, 1621872), (252, 1544640), (256, 1520505), (270, 1441664), (280, 1390176), (288, 1351560), (315, 1235712), (320, 1216404), (336, 1158480), (360, 1081248), (378, 1029760), (384, 1013670), (420, 926784), (432, 901040), (448, 868860), (480, 810936), (504, 772320), (540, 720832), (560, 695088), (576, 675780), (630, 617856), (640, 608202), (672, 579240), (720, 540624), (756, 514880), (768, 506835), (840, 463392), (864, 450520), (896, 434430), (945, 411904), (960, 405468), (1008, 386160), (1080, 360416), (1120, 347544), (1152, 337890), (1260, 308928), (1280, 304101), (1344, 289620), (1440, 270312), (1512, 257440), (1609, 241920), (1680, 231696), (1728, 225260), (1792, 217215), (1890, 205952), (1920, 202734), (2016, 193080), (2160, 180208), (2240, 173772), (2304, 168945), (2520, 154464), (2688, 144810), (2880, 135156), (3024, 128720), (3218, 120960), (3360, 115848), (3456, 112630), (3780, 102976), (3840, 101367), (4032, 96540), (4320, 90104), (4480, 86886), (4827, 80640), (5040, 77232), (5376, 72405), (5760, 67578), (6048, 64360), (6436, 60480), (6720, 57924), (6912, 56315), (7560, 51488), (8045, 48384), (8064, 48270), (8640, 45052), (8960, 43443), (9654, 40320), (10080, 38616), (11263, 34560), (11520, 33789), (12096, 32180), (12872, 30240), (13440, 28962), (14481, 26880), (15120, 25744), (16090, 24192), (16128, 24135), (17280, 22526), (19308, 20160)]