205657920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1831}}^1$

素因数の和:1870

約数の個数: 224

約数和(自身を含む): 781751040

約数和(自身を除く): 576093120

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, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1728, 1755, 1831, 1872, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3510, 3662, 3744, 4160, 4320, 4680, 5493, 5616, 6240, 7020, 7324, 7488, 8640, 9155, 9360, 10986, 11232, 12480, 14040, 14648, 16479, 18310, 18720, 21972, 22464, 23803, 27465, 28080, 29296, 32958, 36620, 37440, 43944, 47606, 49437, 54930, 56160, 58592, 65916, 71409, 73240, 82395, 87888, 95212, 98874, 109860, 112320, 117184, 119015, 131832, 142818, 146480, 164790, 175776, 190424, 197748, 214227, 219720, 238030, 247185, 263664, 285636, 292960, 329580, 351552, 357045, 380848, 395496, 428454, 439440, 476060, 494370, 527328, 571272, 585920, 642681, 659160, 714090, 761696, 790992, 856908, 878880, 952120, 988740, 1054656, 1071135, 1142544, 1285362, 1318320, 1428180, 1523392, 1581984, 1713816, 1757760, 1904240, 1977480, 2142270, 2285088, 2570724, 2636640, 2856360, 3163968, 3213405, 3427632, 3808480, 3954960, 4284540, 4570176, 5141448, 5273280, 5712720, 6426810, 6855264, 7616960, 7909920, 8569080, 10282896, 11425440, 12853620, 13710528, 15819840, 17138160, 20565792, 22850880, 25707240, 34276320, 41131584, 51414480, 68552640, 102828960, 205657920]

約数ペア:

[(1, 205657920), (2, 102828960), (3, 68552640), (4, 51414480), (5, 41131584), (6, 34276320), (8, 25707240), (9, 22850880), (10, 20565792), (12, 17138160), (13, 15819840), (15, 13710528), (16, 12853620), (18, 11425440), (20, 10282896), (24, 8569080), (26, 7909920), (27, 7616960), (30, 6855264), (32, 6426810), (36, 5712720), (39, 5273280), (40, 5141448), (45, 4570176), (48, 4284540), (52, 3954960), (54, 3808480), (60, 3427632), (64, 3213405), (65, 3163968), (72, 2856360), (78, 2636640), (80, 2570724), (90, 2285088), (96, 2142270), (104, 1977480), (108, 1904240), (117, 1757760), (120, 1713816), (130, 1581984), (135, 1523392), (144, 1428180), (156, 1318320), (160, 1285362), (180, 1142544), (192, 1071135), (195, 1054656), (208, 988740), (216, 952120), (234, 878880), (240, 856908), (260, 790992), (270, 761696), (288, 714090), (312, 659160), (320, 642681), (351, 585920), (360, 571272), (390, 527328), (416, 494370), (432, 476060), (468, 439440), (480, 428454), (520, 395496), (540, 380848), (576, 357045), (585, 351552), (624, 329580), (702, 292960), (720, 285636), (780, 263664), (832, 247185), (864, 238030), (936, 219720), (960, 214227), (1040, 197748), (1080, 190424), (1170, 175776), (1248, 164790), (1404, 146480), (1440, 142818), (1560, 131832), (1728, 119015), (1755, 117184), (1831, 112320), (1872, 109860), (2080, 98874), (2160, 95212), (2340, 87888), (2496, 82395), (2808, 73240), (2880, 71409), (3120, 65916), (3510, 58592), (3662, 56160), (3744, 54930), (4160, 49437), (4320, 47606), (4680, 43944), (5493, 37440), (5616, 36620), (6240, 32958), (7020, 29296), (7324, 28080), (7488, 27465), (8640, 23803), (9155, 22464), (9360, 21972), (10986, 18720), (11232, 18310), (12480, 16479), (14040, 14648)]