257942880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1571

約数の個数: 240

約数和(自身を含む): 980988624

約数和(自身を除く): 723045744

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, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1531, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3062, 3120, 3240, 3510, 3744, 4212, 4320, 4593, 4680, 5265, 5616, 6124, 6240, 6480, 7020, 7655, 8424, 9186, 9360, 10530, 11232, 12248, 12960, 13779, 14040, 15310, 16848, 18372, 18720, 19903, 21060, 22965, 24496, 27558, 28080, 30620, 33696, 36744, 39806, 41337, 42120, 45930, 48992, 55116, 56160, 59709, 61240, 68895, 73488, 79612, 82674, 84240, 91860, 99515, 110232, 119418, 122480, 124011, 137790, 146976, 159224, 165348, 168480, 179127, 183720, 199030, 206685, 220464, 238836, 244960, 248022, 275580, 298545, 318448, 330696, 358254, 367440, 398060, 413370, 440928, 477672, 496044, 537381, 551160, 597090, 620055, 636896, 661392, 716508, 734880, 796120, 826740, 895635, 955344, 992088, 1074762, 1102320, 1194180, 1240110, 1322784, 1433016, 1592240, 1612143, 1653480, 1791270, 1910688, 1984176, 2149524, 2204640, 2388360, 2480220, 2686905, 2866032, 3184480, 3224286, 3306960, 3582540, 3968352, 4299048, 4776720, 4960440, 5373810, 5732064, 6448572, 6613920, 7165080, 8060715, 8598096, 9553440, 9920880, 10747620, 12897144, 14330160, 16121430, 17196192, 19841760, 21495240, 25794288, 28660320, 32242860, 42990480, 51588576, 64485720, 85980960, 128971440, 257942880]

約数ペア:

[(1, 257942880), (2, 128971440), (3, 85980960), (4, 64485720), (5, 51588576), (6, 42990480), (8, 32242860), (9, 28660320), (10, 25794288), (12, 21495240), (13, 19841760), (15, 17196192), (16, 16121430), (18, 14330160), (20, 12897144), (24, 10747620), (26, 9920880), (27, 9553440), (30, 8598096), (32, 8060715), (36, 7165080), (39, 6613920), (40, 6448572), (45, 5732064), (48, 5373810), (52, 4960440), (54, 4776720), (60, 4299048), (65, 3968352), (72, 3582540), (78, 3306960), (80, 3224286), (81, 3184480), (90, 2866032), (96, 2686905), (104, 2480220), (108, 2388360), (117, 2204640), (120, 2149524), (130, 1984176), (135, 1910688), (144, 1791270), (156, 1653480), (160, 1612143), (162, 1592240), (180, 1433016), (195, 1322784), (208, 1240110), (216, 1194180), (234, 1102320), (240, 1074762), (260, 992088), (270, 955344), (288, 895635), (312, 826740), (324, 796120), (351, 734880), (360, 716508), (390, 661392), (405, 636896), (416, 620055), (432, 597090), (468, 551160), (480, 537381), (520, 496044), (540, 477672), (585, 440928), (624, 413370), (648, 398060), (702, 367440), (720, 358254), (780, 330696), (810, 318448), (864, 298545), (936, 275580), (1040, 248022), (1053, 244960), (1080, 238836), (1170, 220464), (1248, 206685), (1296, 199030), (1404, 183720), (1440, 179127), (1531, 168480), (1560, 165348), (1620, 159224), (1755, 146976), (1872, 137790), (2080, 124011), (2106, 122480), (2160, 119418), (2340, 110232), (2592, 99515), (2808, 91860), (3062, 84240), (3120, 82674), (3240, 79612), (3510, 73488), (3744, 68895), (4212, 61240), (4320, 59709), (4593, 56160), (4680, 55116), (5265, 48992), (5616, 45930), (6124, 42120), (6240, 41337), (6480, 39806), (7020, 36744), (7655, 33696), (8424, 30620), (9186, 28080), (9360, 27558), (10530, 24496), (11232, 22965), (12248, 21060), (12960, 19903), (13779, 18720), (14040, 18372), (15310, 16848)]