257201568

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 240

約数和(自身を含む): 864448200

約数和(自身を除く): 607246632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 81, 96, 102, 104, 108, 117, 136, 144, 153, 156, 162, 204, 208, 216, 221, 234, 272, 288, 306, 312, 324, 351, 408, 416, 432, 442, 449, 459, 468, 544, 612, 624, 648, 663, 702, 816, 864, 884, 898, 918, 936, 1053, 1224, 1248, 1296, 1326, 1347, 1377, 1404, 1632, 1768, 1796, 1836, 1872, 1989, 2106, 2448, 2592, 2652, 2694, 2754, 2808, 3536, 3592, 3672, 3744, 3978, 4041, 4212, 4896, 5304, 5388, 5508, 5616, 5837, 5967, 7072, 7184, 7344, 7633, 7956, 8082, 8424, 10608, 10776, 11016, 11232, 11674, 11934, 12123, 14368, 14688, 15266, 15912, 16164, 16848, 17511, 17901, 21216, 21552, 22032, 22899, 23348, 23868, 24246, 30532, 31824, 32328, 33696, 35022, 35802, 36369, 43104, 44064, 45798, 46696, 47736, 48492, 52533, 61064, 63648, 64656, 68697, 70044, 71604, 72738, 91596, 93392, 95472, 96984, 99229, 105066, 122128, 129312, 137394, 140088, 143208, 145476, 157599, 183192, 186784, 190944, 193968, 198458, 206091, 210132, 244256, 274788, 280176, 286416, 290952, 297687, 315198, 366384, 387936, 396916, 412182, 420264, 472797, 549576, 560352, 572832, 581904, 595374, 618273, 630396, 732768, 793832, 824364, 840528, 893061, 945594, 1099152, 1163808, 1190748, 1236546, 1260792, 1587664, 1648728, 1681056, 1786122, 1891188, 2198304, 2381496, 2473092, 2521584, 2679183, 3175328, 3297456, 3572244, 3782376, 4762992, 4946184, 5043168, 5358366, 6594912, 7144488, 7564752, 8037549, 9525984, 9892368, 10716732, 14288976, 15129504, 16075098, 19784736, 21433464, 28577952, 32150196, 42866928, 64300392, 85733856, 128600784, 257201568]

約数ペア:

[(1, 257201568), (2, 128600784), (3, 85733856), (4, 64300392), (6, 42866928), (8, 32150196), (9, 28577952), (12, 21433464), (13, 19784736), (16, 16075098), (17, 15129504), (18, 14288976), (24, 10716732), (26, 9892368), (27, 9525984), (32, 8037549), (34, 7564752), (36, 7144488), (39, 6594912), (48, 5358366), (51, 5043168), (52, 4946184), (54, 4762992), (68, 3782376), (72, 3572244), (78, 3297456), (81, 3175328), (96, 2679183), (102, 2521584), (104, 2473092), (108, 2381496), (117, 2198304), (136, 1891188), (144, 1786122), (153, 1681056), (156, 1648728), (162, 1587664), (204, 1260792), (208, 1236546), (216, 1190748), (221, 1163808), (234, 1099152), (272, 945594), (288, 893061), (306, 840528), (312, 824364), (324, 793832), (351, 732768), (408, 630396), (416, 618273), (432, 595374), (442, 581904), (449, 572832), (459, 560352), (468, 549576), (544, 472797), (612, 420264), (624, 412182), (648, 396916), (663, 387936), (702, 366384), (816, 315198), (864, 297687), (884, 290952), (898, 286416), (918, 280176), (936, 274788), (1053, 244256), (1224, 210132), (1248, 206091), (1296, 198458), (1326, 193968), (1347, 190944), (1377, 186784), (1404, 183192), (1632, 157599), (1768, 145476), (1796, 143208), (1836, 140088), (1872, 137394), (1989, 129312), (2106, 122128), (2448, 105066), (2592, 99229), (2652, 96984), (2694, 95472), (2754, 93392), (2808, 91596), (3536, 72738), (3592, 71604), (3672, 70044), (3744, 68697), (3978, 64656), (4041, 63648), (4212, 61064), (4896, 52533), (5304, 48492), (5388, 47736), (5508, 46696), (5616, 45798), (5837, 44064), (5967, 43104), (7072, 36369), (7184, 35802), (7344, 35022), (7633, 33696), (7956, 32328), (8082, 31824), (8424, 30532), (10608, 24246), (10776, 23868), (11016, 23348), (11232, 22899), (11674, 22032), (11934, 21552), (12123, 21216), (14368, 17901), (14688, 17511), (15266, 16848), (15912, 16164)]