320651520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 288

約数和(自身を含む): 1193041920

約数和(自身を除く): 872390400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 128, 140, 151, 158, 160, 168, 192, 210, 224, 237, 240, 256, 280, 302, 316, 320, 336, 384, 395, 420, 448, 453, 474, 480, 553, 560, 604, 632, 640, 672, 755, 768, 790, 840, 896, 906, 948, 960, 1057, 1106, 1120, 1185, 1208, 1264, 1280, 1344, 1510, 1580, 1659, 1680, 1792, 1812, 1896, 1920, 2114, 2212, 2240, 2265, 2370, 2416, 2528, 2688, 2765, 3020, 3160, 3171, 3318, 3360, 3624, 3792, 3840, 4228, 4424, 4480, 4530, 4740, 4832, 5056, 5285, 5376, 5530, 6040, 6320, 6342, 6636, 6720, 7248, 7584, 8295, 8456, 8848, 8960, 9060, 9480, 9664, 10112, 10570, 11060, 11929, 12080, 12640, 12684, 13272, 13440, 14496, 15168, 15855, 16590, 16912, 17696, 18120, 18960, 19328, 20224, 21140, 22120, 23858, 24160, 25280, 25368, 26544, 26880, 28992, 30336, 31710, 33180, 33824, 35392, 35787, 36240, 37920, 38656, 42280, 44240, 47716, 48320, 50560, 50736, 53088, 57984, 59645, 60672, 63420, 66360, 67648, 70784, 71574, 72480, 75840, 83503, 84560, 88480, 95432, 96640, 101120, 101472, 106176, 115968, 119290, 126840, 132720, 135296, 141568, 143148, 144960, 151680, 167006, 169120, 176960, 178935, 190864, 193280, 202944, 212352, 238580, 250509, 253680, 265440, 270592, 286296, 289920, 303360, 334012, 338240, 353920, 357870, 381728, 405888, 417515, 424704, 477160, 501018, 507360, 530880, 572592, 579840, 668024, 676480, 707840, 715740, 763456, 811776, 835030, 954320, 1002036, 1014720, 1061760, 1145184, 1252545, 1336048, 1352960, 1431480, 1526912, 1670060, 1908640, 2004072, 2029440, 2123520, 2290368, 2505090, 2672096, 2862960, 3053824, 3340120, 3817280, 4008144, 4058880, 4580736, 5010180, 5344192, 5725920, 6680240, 7634560, 8016288, 9161472, 10020360, 10688384, 11451840, 13360480, 15269120, 16032576, 20040720, 21376768, 22903680, 26720960, 32065152, 40081440, 45807360, 53441920, 64130304, 80162880, 106883840, 160325760, 320651520]

約数ペア:

[(1, 320651520), (2, 160325760), (3, 106883840), (4, 80162880), (5, 64130304), (6, 53441920), (7, 45807360), (8, 40081440), (10, 32065152), (12, 26720960), (14, 22903680), (15, 21376768), (16, 20040720), (20, 16032576), (21, 15269120), (24, 13360480), (28, 11451840), (30, 10688384), (32, 10020360), (35, 9161472), (40, 8016288), (42, 7634560), (48, 6680240), (56, 5725920), (60, 5344192), (64, 5010180), (70, 4580736), (79, 4058880), (80, 4008144), (84, 3817280), (96, 3340120), (105, 3053824), (112, 2862960), (120, 2672096), (128, 2505090), (140, 2290368), (151, 2123520), (158, 2029440), (160, 2004072), (168, 1908640), (192, 1670060), (210, 1526912), (224, 1431480), (237, 1352960), (240, 1336048), (256, 1252545), (280, 1145184), (302, 1061760), (316, 1014720), (320, 1002036), (336, 954320), (384, 835030), (395, 811776), (420, 763456), (448, 715740), (453, 707840), (474, 676480), (480, 668024), (553, 579840), (560, 572592), (604, 530880), (632, 507360), (640, 501018), (672, 477160), (755, 424704), (768, 417515), (790, 405888), (840, 381728), (896, 357870), (906, 353920), (948, 338240), (960, 334012), (1057, 303360), (1106, 289920), (1120, 286296), (1185, 270592), (1208, 265440), (1264, 253680), (1280, 250509), (1344, 238580), (1510, 212352), (1580, 202944), (1659, 193280), (1680, 190864), (1792, 178935), (1812, 176960), (1896, 169120), (1920, 167006), (2114, 151680), (2212, 144960), (2240, 143148), (2265, 141568), (2370, 135296), (2416, 132720), (2528, 126840), (2688, 119290), (2765, 115968), (3020, 106176), (3160, 101472), (3171, 101120), (3318, 96640), (3360, 95432), (3624, 88480), (3792, 84560), (3840, 83503), (4228, 75840), (4424, 72480), (4480, 71574), (4530, 70784), (4740, 67648), (4832, 66360), (5056, 63420), (5285, 60672), (5376, 59645), (5530, 57984), (6040, 53088), (6320, 50736), (6342, 50560), (6636, 48320), (6720, 47716), (7248, 44240), (7584, 42280), (8295, 38656), (8456, 37920), (8848, 36240), (8960, 35787), (9060, 35392), (9480, 33824), (9664, 33180), (10112, 31710), (10570, 30336), (11060, 28992), (11929, 26880), (12080, 26544), (12640, 25368), (12684, 25280), (13272, 24160), (13440, 23858), (14496, 22120), (15168, 21140), (15855, 20224), (16590, 19328), (16912, 18960), (17696, 18120)]