491624640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1501

約数の個数: 280

約数和(自身を含む): 1884608880

約数和(自身を除く): 1392984240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 648, 702, 720, 780, 810, 832, 864, 936, 960, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1459, 1560, 1620, 1728, 1755, 1872, 2080, 2106, 2160, 2340, 2496, 2592, 2808, 2880, 2918, 3120, 3240, 3510, 3744, 4160, 4212, 4320, 4377, 4680, 5184, 5265, 5616, 5836, 6240, 6480, 7020, 7295, 7488, 8424, 8640, 8754, 9360, 10530, 11232, 11672, 12480, 12960, 13131, 14040, 14590, 16848, 17508, 18720, 18967, 21060, 21885, 22464, 23344, 25920, 26262, 28080, 29180, 33696, 35016, 37440, 37934, 39393, 42120, 43770, 46688, 52524, 56160, 56901, 58360, 65655, 67392, 70032, 75868, 78786, 84240, 87540, 93376, 94835, 105048, 112320, 113802, 116720, 118179, 131310, 140064, 151736, 157572, 168480, 170703, 175080, 189670, 196965, 210096, 227604, 233440, 236358, 262620, 280128, 284505, 303472, 315144, 336960, 341406, 350160, 379340, 393930, 420192, 455208, 466880, 472716, 512109, 525240, 569010, 590895, 606944, 630288, 682812, 700320, 758680, 787860, 840384, 853515, 910416, 945432, 1024218, 1050480, 1138020, 1181790, 1213888, 1260576, 1365624, 1400640, 1517360, 1536327, 1575720, 1707030, 1820832, 1890864, 2048436, 2100960, 2276040, 2363580, 2521152, 2560545, 2731248, 3034720, 3072654, 3151440, 3414060, 3641664, 3781728, 4096872, 4201920, 4552080, 4727160, 5121090, 5462496, 6069440, 6145308, 6302880, 6828120, 7563456, 7681635, 8193744, 9104160, 9454320, 10242180, 10924992, 12290616, 12605760, 13656240, 15363270, 16387488, 18208320, 18908640, 20484360, 24581232, 27312480, 30726540, 32774976, 37817280, 40968720, 49162464, 54624960, 61453080, 81937440, 98324928, 122906160, 163874880, 245812320, 491624640]

約数ペア:

[(1, 491624640), (2, 245812320), (3, 163874880), (4, 122906160), (5, 98324928), (6, 81937440), (8, 61453080), (9, 54624960), (10, 49162464), (12, 40968720), (13, 37817280), (15, 32774976), (16, 30726540), (18, 27312480), (20, 24581232), (24, 20484360), (26, 18908640), (27, 18208320), (30, 16387488), (32, 15363270), (36, 13656240), (39, 12605760), (40, 12290616), (45, 10924992), (48, 10242180), (52, 9454320), (54, 9104160), (60, 8193744), (64, 7681635), (65, 7563456), (72, 6828120), (78, 6302880), (80, 6145308), (81, 6069440), (90, 5462496), (96, 5121090), (104, 4727160), (108, 4552080), (117, 4201920), (120, 4096872), (130, 3781728), (135, 3641664), (144, 3414060), (156, 3151440), (160, 3072654), (162, 3034720), (180, 2731248), (192, 2560545), (195, 2521152), (208, 2363580), (216, 2276040), (234, 2100960), (240, 2048436), (260, 1890864), (270, 1820832), (288, 1707030), (312, 1575720), (320, 1536327), (324, 1517360), (351, 1400640), (360, 1365624), (390, 1260576), (405, 1213888), (416, 1181790), (432, 1138020), (468, 1050480), (480, 1024218), (520, 945432), (540, 910416), (576, 853515), (585, 840384), (624, 787860), (648, 758680), (702, 700320), (720, 682812), (780, 630288), (810, 606944), (832, 590895), (864, 569010), (936, 525240), (960, 512109), (1040, 472716), (1053, 466880), (1080, 455208), (1170, 420192), (1248, 393930), (1296, 379340), (1404, 350160), (1440, 341406), (1459, 336960), (1560, 315144), (1620, 303472), (1728, 284505), (1755, 280128), (1872, 262620), (2080, 236358), (2106, 233440), (2160, 227604), (2340, 210096), (2496, 196965), (2592, 189670), (2808, 175080), (2880, 170703), (2918, 168480), (3120, 157572), (3240, 151736), (3510, 140064), (3744, 131310), (4160, 118179), (4212, 116720), (4320, 113802), (4377, 112320), (4680, 105048), (5184, 94835), (5265, 93376), (5616, 87540), (5836, 84240), (6240, 78786), (6480, 75868), (7020, 70032), (7295, 67392), (7488, 65655), (8424, 58360), (8640, 56901), (8754, 56160), (9360, 52524), (10530, 46688), (11232, 43770), (11672, 42120), (12480, 39393), (12960, 37934), (13131, 37440), (14040, 35016), (14590, 33696), (16848, 29180), (17508, 28080), (18720, 26262), (18967, 25920), (21060, 23344), (21885, 22464)]