217844640

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 288

約数和(自身を含む): 832156416

約数和(自身を除く): 614311776

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, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 431, 432, 468, 480, 486, 520, 540, 585, 624, 648, 702, 720, 780, 810, 862, 864, 936, 972, 1040, 1053, 1080, 1170, 1215, 1248, 1293, 1296, 1404, 1440, 1560, 1620, 1724, 1755, 1872, 1944, 2080, 2106, 2155, 2160, 2340, 2430, 2586, 2592, 2808, 3120, 3159, 3240, 3448, 3510, 3744, 3879, 3888, 4212, 4310, 4320, 4680, 4860, 5172, 5265, 5603, 5616, 6240, 6318, 6465, 6480, 6896, 7020, 7758, 7776, 8424, 8620, 9360, 9720, 10344, 10530, 11206, 11232, 11637, 12636, 12930, 12960, 13792, 14040, 15516, 15795, 16809, 16848, 17240, 18720, 19395, 19440, 20688, 21060, 22412, 23274, 25272, 25860, 28015, 28080, 31032, 31590, 33618, 33696, 34480, 34911, 38790, 38880, 41376, 42120, 44824, 46548, 50427, 50544, 51720, 56030, 56160, 58185, 62064, 63180, 67236, 68960, 69822, 77580, 84045, 84240, 89648, 93096, 100854, 101088, 103440, 104733, 112060, 116370, 124128, 126360, 134472, 139644, 151281, 155160, 168090, 168480, 174555, 179296, 186192, 201708, 206880, 209466, 224120, 232740, 252135, 252720, 268944, 279288, 302562, 310320, 336180, 349110, 372384, 403416, 418932, 448240, 453843, 465480, 504270, 505440, 523665, 537888, 558576, 605124, 620640, 672360, 698220, 756405, 806832, 837864, 896480, 907686, 930960, 1008540, 1047330, 1117152, 1210248, 1344720, 1361529, 1396440, 1512810, 1613664, 1675728, 1815372, 1861920, 2017080, 2094660, 2269215, 2420496, 2689440, 2723058, 2792880, 3025620, 3351456, 3630744, 4034160, 4189320, 4538430, 4840992, 5446116, 5585760, 6051240, 6807645, 7261488, 8068320, 8378640, 9076860, 10892232, 12102480, 13615290, 14522976, 16757280, 18153720, 21784464, 24204960, 27230580, 36307440, 43568928, 54461160, 72614880, 108922320, 217844640]

約数ペア:

[(1, 217844640), (2, 108922320), (3, 72614880), (4, 54461160), (5, 43568928), (6, 36307440), (8, 27230580), (9, 24204960), (10, 21784464), (12, 18153720), (13, 16757280), (15, 14522976), (16, 13615290), (18, 12102480), (20, 10892232), (24, 9076860), (26, 8378640), (27, 8068320), (30, 7261488), (32, 6807645), (36, 6051240), (39, 5585760), (40, 5446116), (45, 4840992), (48, 4538430), (52, 4189320), (54, 4034160), (60, 3630744), (65, 3351456), (72, 3025620), (78, 2792880), (80, 2723058), (81, 2689440), (90, 2420496), (96, 2269215), (104, 2094660), (108, 2017080), (117, 1861920), (120, 1815372), (130, 1675728), (135, 1613664), (144, 1512810), (156, 1396440), (160, 1361529), (162, 1344720), (180, 1210248), (195, 1117152), (208, 1047330), (216, 1008540), (234, 930960), (240, 907686), (243, 896480), (260, 837864), (270, 806832), (288, 756405), (312, 698220), (324, 672360), (351, 620640), (360, 605124), (390, 558576), (405, 537888), (416, 523665), (431, 505440), (432, 504270), (468, 465480), (480, 453843), (486, 448240), (520, 418932), (540, 403416), (585, 372384), (624, 349110), (648, 336180), (702, 310320), (720, 302562), (780, 279288), (810, 268944), (862, 252720), (864, 252135), (936, 232740), (972, 224120), (1040, 209466), (1053, 206880), (1080, 201708), (1170, 186192), (1215, 179296), (1248, 174555), (1293, 168480), (1296, 168090), (1404, 155160), (1440, 151281), (1560, 139644), (1620, 134472), (1724, 126360), (1755, 124128), (1872, 116370), (1944, 112060), (2080, 104733), (2106, 103440), (2155, 101088), (2160, 100854), (2340, 93096), (2430, 89648), (2586, 84240), (2592, 84045), (2808, 77580), (3120, 69822), (3159, 68960), (3240, 67236), (3448, 63180), (3510, 62064), (3744, 58185), (3879, 56160), (3888, 56030), (4212, 51720), (4310, 50544), (4320, 50427), (4680, 46548), (4860, 44824), (5172, 42120), (5265, 41376), (5603, 38880), (5616, 38790), (6240, 34911), (6318, 34480), (6465, 33696), (6480, 33618), (6896, 31590), (7020, 31032), (7758, 28080), (7776, 28015), (8424, 25860), (8620, 25272), (9360, 23274), (9720, 22412), (10344, 21060), (10530, 20688), (11206, 19440), (11232, 19395), (11637, 18720), (12636, 17240), (12930, 16848), (12960, 16809), (13792, 15795), (14040, 15516)]