208772640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 240

約数和(自身を含む): 749188440

約数和(自身を除く): 540415800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 89, 90, 96, 108, 120, 135, 144, 160, 162, 178, 180, 181, 216, 240, 267, 270, 288, 324, 356, 360, 362, 405, 432, 445, 480, 534, 540, 543, 648, 712, 720, 724, 801, 810, 864, 890, 905, 1068, 1080, 1086, 1296, 1335, 1424, 1440, 1448, 1602, 1620, 1629, 1780, 1810, 2136, 2160, 2172, 2403, 2592, 2670, 2715, 2848, 2896, 3204, 3240, 3258, 3560, 3620, 4005, 4272, 4320, 4344, 4806, 4887, 5340, 5430, 5792, 6408, 6480, 6516, 7120, 7209, 7240, 8010, 8145, 8544, 8688, 9612, 9774, 10680, 10860, 12015, 12816, 12960, 13032, 14240, 14418, 14480, 14661, 16020, 16109, 16290, 17376, 19224, 19548, 21360, 21720, 24030, 24435, 25632, 26064, 28836, 28960, 29322, 32040, 32218, 32580, 36045, 38448, 39096, 42720, 43440, 48060, 48327, 48870, 52128, 57672, 58644, 64080, 64436, 65160, 72090, 73305, 76896, 78192, 80545, 86880, 96120, 96654, 97740, 115344, 117288, 128160, 128872, 130320, 144180, 144981, 146610, 156384, 161090, 192240, 193308, 195480, 230688, 234576, 241635, 257744, 260640, 288360, 289962, 293220, 322180, 384480, 386616, 390960, 434943, 469152, 483270, 515488, 576720, 579924, 586440, 644360, 724905, 773232, 781920, 869886, 966540, 1153440, 1159848, 1172880, 1288720, 1304829, 1449810, 1546464, 1739772, 1933080, 2174715, 2319696, 2345760, 2577440, 2609658, 2899620, 3479544, 3866160, 4349430, 4639392, 5219316, 5799240, 6524145, 6959088, 7732320, 8698860, 10438632, 11598480, 13048290, 13918176, 17397720, 20877264, 23196960, 26096580, 34795440, 41754528, 52193160, 69590880, 104386320, 208772640]

約数ペア:

[(1, 208772640), (2, 104386320), (3, 69590880), (4, 52193160), (5, 41754528), (6, 34795440), (8, 26096580), (9, 23196960), (10, 20877264), (12, 17397720), (15, 13918176), (16, 13048290), (18, 11598480), (20, 10438632), (24, 8698860), (27, 7732320), (30, 6959088), (32, 6524145), (36, 5799240), (40, 5219316), (45, 4639392), (48, 4349430), (54, 3866160), (60, 3479544), (72, 2899620), (80, 2609658), (81, 2577440), (89, 2345760), (90, 2319696), (96, 2174715), (108, 1933080), (120, 1739772), (135, 1546464), (144, 1449810), (160, 1304829), (162, 1288720), (178, 1172880), (180, 1159848), (181, 1153440), (216, 966540), (240, 869886), (267, 781920), (270, 773232), (288, 724905), (324, 644360), (356, 586440), (360, 579924), (362, 576720), (405, 515488), (432, 483270), (445, 469152), (480, 434943), (534, 390960), (540, 386616), (543, 384480), (648, 322180), (712, 293220), (720, 289962), (724, 288360), (801, 260640), (810, 257744), (864, 241635), (890, 234576), (905, 230688), (1068, 195480), (1080, 193308), (1086, 192240), (1296, 161090), (1335, 156384), (1424, 146610), (1440, 144981), (1448, 144180), (1602, 130320), (1620, 128872), (1629, 128160), (1780, 117288), (1810, 115344), (2136, 97740), (2160, 96654), (2172, 96120), (2403, 86880), (2592, 80545), (2670, 78192), (2715, 76896), (2848, 73305), (2896, 72090), (3204, 65160), (3240, 64436), (3258, 64080), (3560, 58644), (3620, 57672), (4005, 52128), (4272, 48870), (4320, 48327), (4344, 48060), (4806, 43440), (4887, 42720), (5340, 39096), (5430, 38448), (5792, 36045), (6408, 32580), (6480, 32218), (6516, 32040), (7120, 29322), (7209, 28960), (7240, 28836), (8010, 26064), (8145, 25632), (8544, 24435), (8688, 24030), (9612, 21720), (9774, 21360), (10680, 19548), (10860, 19224), (12015, 17376), (12816, 16290), (12960, 16109), (13032, 16020), (14240, 14661), (14418, 14480)]