438740640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1076

約数の個数: 288

約数和(自身を含む): 1684126080

約数和(自身を除く): 1245385440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 96, 104, 115, 117, 120, 130, 138, 144, 156, 160, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 288, 299, 312, 345, 360, 368, 390, 414, 416, 460, 468, 480, 520, 552, 585, 598, 624, 690, 720, 736, 780, 828, 897, 920, 936, 1019, 1035, 1040, 1104, 1170, 1196, 1248, 1380, 1440, 1495, 1560, 1656, 1794, 1840, 1872, 2038, 2070, 2080, 2208, 2340, 2392, 2691, 2760, 2990, 3057, 3120, 3312, 3588, 3680, 3744, 4076, 4140, 4485, 4680, 4784, 5095, 5382, 5520, 5980, 6114, 6240, 6624, 7176, 8152, 8280, 8970, 9171, 9360, 9568, 10190, 10764, 11040, 11960, 12228, 13247, 13455, 14352, 15285, 16304, 16560, 17940, 18342, 18720, 20380, 21528, 23437, 23920, 24456, 26494, 26910, 28704, 30570, 32608, 33120, 35880, 36684, 39741, 40760, 43056, 45855, 46874, 47840, 48912, 52988, 53820, 61140, 66235, 70311, 71760, 73368, 79482, 81520, 86112, 91710, 93748, 97824, 105976, 107640, 117185, 119223, 122280, 132470, 140622, 143520, 146736, 158964, 163040, 183420, 187496, 198705, 210933, 211952, 215280, 234370, 238446, 244560, 264940, 281244, 293472, 304681, 317928, 351555, 366840, 374992, 397410, 421866, 423904, 430560, 468740, 476892, 489120, 529880, 562488, 596115, 609362, 635856, 703110, 733680, 749984, 794820, 843732, 914043, 937480, 953784, 1054665, 1059760, 1124976, 1192230, 1218724, 1271712, 1406220, 1467360, 1523405, 1589640, 1687464, 1828086, 1874960, 1907568, 2109330, 2119520, 2249952, 2384460, 2437448, 2742129, 2812440, 3046810, 3179280, 3374928, 3656172, 3749920, 3815136, 4218660, 4570215, 4768920, 4874896, 5484258, 5624880, 6093620, 6358560, 6749856, 7312344, 8437320, 9140430, 9537840, 9749792, 10968516, 11249760, 12187240, 13710645, 14624688, 16874640, 18280860, 19075680, 21937032, 24374480, 27421290, 29249376, 33749280, 36561720, 43874064, 48748960, 54842580, 73123440, 87748128, 109685160, 146246880, 219370320, 438740640]

約数ペア:

[(1, 438740640), (2, 219370320), (3, 146246880), (4, 109685160), (5, 87748128), (6, 73123440), (8, 54842580), (9, 48748960), (10, 43874064), (12, 36561720), (13, 33749280), (15, 29249376), (16, 27421290), (18, 24374480), (20, 21937032), (23, 19075680), (24, 18280860), (26, 16874640), (30, 14624688), (32, 13710645), (36, 12187240), (39, 11249760), (40, 10968516), (45, 9749792), (46, 9537840), (48, 9140430), (52, 8437320), (60, 7312344), (65, 6749856), (69, 6358560), (72, 6093620), (78, 5624880), (80, 5484258), (90, 4874896), (92, 4768920), (96, 4570215), (104, 4218660), (115, 3815136), (117, 3749920), (120, 3656172), (130, 3374928), (138, 3179280), (144, 3046810), (156, 2812440), (160, 2742129), (180, 2437448), (184, 2384460), (195, 2249952), (207, 2119520), (208, 2109330), (230, 1907568), (234, 1874960), (240, 1828086), (260, 1687464), (276, 1589640), (288, 1523405), (299, 1467360), (312, 1406220), (345, 1271712), (360, 1218724), (368, 1192230), (390, 1124976), (414, 1059760), (416, 1054665), (460, 953784), (468, 937480), (480, 914043), (520, 843732), (552, 794820), (585, 749984), (598, 733680), (624, 703110), (690, 635856), (720, 609362), (736, 596115), (780, 562488), (828, 529880), (897, 489120), (920, 476892), (936, 468740), (1019, 430560), (1035, 423904), (1040, 421866), (1104, 397410), (1170, 374992), (1196, 366840), (1248, 351555), (1380, 317928), (1440, 304681), (1495, 293472), (1560, 281244), (1656, 264940), (1794, 244560), (1840, 238446), (1872, 234370), (2038, 215280), (2070, 211952), (2080, 210933), (2208, 198705), (2340, 187496), (2392, 183420), (2691, 163040), (2760, 158964), (2990, 146736), (3057, 143520), (3120, 140622), (3312, 132470), (3588, 122280), (3680, 119223), (3744, 117185), (4076, 107640), (4140, 105976), (4485, 97824), (4680, 93748), (4784, 91710), (5095, 86112), (5382, 81520), (5520, 79482), (5980, 73368), (6114, 71760), (6240, 70311), (6624, 66235), (7176, 61140), (8152, 53820), (8280, 52988), (8970, 48912), (9171, 47840), (9360, 46874), (9568, 45855), (10190, 43056), (10764, 40760), (11040, 39741), (11960, 36684), (12228, 35880), (13247, 33120), (13455, 32608), (14352, 30570), (15285, 28704), (16304, 26910), (16560, 26494), (17940, 24456), (18342, 23920), (18720, 23437), (20380, 21528)]