1289986560

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{6221}}^1$

素因数の和:6256

約数の個数: 200

約数和(自身を含む): 4621066956

約数和(自身を除く): 3331080396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3240, 3456, 3840, 4320, 4608, 5184, 5760, 6221, 6480, 6912, 7680, 8640, 10368, 11520, 12442, 12960, 13824, 17280, 18663, 20736, 23040, 24884, 25920, 31105, 34560, 37326, 41472, 49768, 51840, 55989, 62210, 69120, 74652, 93315, 99536, 103680, 111978, 124420, 149304, 167967, 186630, 199072, 207360, 223956, 248840, 279945, 298608, 335934, 373260, 398144, 447912, 497680, 503901, 559890, 597216, 671868, 746520, 796288, 839835, 895824, 995360, 1007802, 1119780, 1194432, 1343736, 1493040, 1592576, 1679670, 1791648, 1990720, 2015604, 2239560, 2388864, 2519505, 2687472, 2986080, 3185152, 3359340, 3583296, 3981440, 4031208, 4479120, 4777728, 5039010, 5374944, 5972160, 6718680, 7166592, 7962880, 8062416, 8958240, 9555456, 10078020, 10749888, 11944320, 13437360, 14333184, 15925760, 16124832, 17916480, 20156040, 21499776, 23888640, 26874720, 28666368, 32249664, 35832960, 40312080, 42999552, 47777280, 53749440, 64499328, 71665920, 80624160, 85999104, 107498880, 128998656, 143331840, 161248320, 214997760, 257997312, 322496640, 429995520, 644993280, 1289986560]

約数ペア:

[(1, 1289986560), (2, 644993280), (3, 429995520), (4, 322496640), (5, 257997312), (6, 214997760), (8, 161248320), (9, 143331840), (10, 128998656), (12, 107498880), (15, 85999104), (16, 80624160), (18, 71665920), (20, 64499328), (24, 53749440), (27, 47777280), (30, 42999552), (32, 40312080), (36, 35832960), (40, 32249664), (45, 28666368), (48, 26874720), (54, 23888640), (60, 21499776), (64, 20156040), (72, 17916480), (80, 16124832), (81, 15925760), (90, 14333184), (96, 13437360), (108, 11944320), (120, 10749888), (128, 10078020), (135, 9555456), (144, 8958240), (160, 8062416), (162, 7962880), (180, 7166592), (192, 6718680), (216, 5972160), (240, 5374944), (256, 5039010), (270, 4777728), (288, 4479120), (320, 4031208), (324, 3981440), (360, 3583296), (384, 3359340), (405, 3185152), (432, 2986080), (480, 2687472), (512, 2519505), (540, 2388864), (576, 2239560), (640, 2015604), (648, 1990720), (720, 1791648), (768, 1679670), (810, 1592576), (864, 1493040), (960, 1343736), (1080, 1194432), (1152, 1119780), (1280, 1007802), (1296, 995360), (1440, 895824), (1536, 839835), (1620, 796288), (1728, 746520), (1920, 671868), (2160, 597216), (2304, 559890), (2560, 503901), (2592, 497680), (2880, 447912), (3240, 398144), (3456, 373260), (3840, 335934), (4320, 298608), (4608, 279945), (5184, 248840), (5760, 223956), (6221, 207360), (6480, 199072), (6912, 186630), (7680, 167967), (8640, 149304), (10368, 124420), (11520, 111978), (12442, 103680), (12960, 99536), (13824, 93315), (17280, 74652), (18663, 69120), (20736, 62210), (23040, 55989), (24884, 51840), (25920, 49768), (31105, 41472), (34560, 37326)]