280721376

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2815

約数の個数: 144

約数和(自身を含む): 891871344

約数和(自身を除く): 611149968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 288, 312, 324, 351, 416, 432, 468, 486, 624, 648, 702, 864, 936, 972, 1053, 1248, 1296, 1404, 1872, 1944, 2106, 2592, 2777, 2808, 3159, 3744, 3888, 4212, 5554, 5616, 6318, 7776, 8331, 8424, 11108, 11232, 12636, 16662, 16848, 22216, 24993, 25272, 33324, 33696, 36101, 44432, 49986, 50544, 66648, 72202, 74979, 88864, 99972, 101088, 108303, 133296, 144404, 149958, 199944, 216606, 224937, 266592, 288808, 299916, 324909, 399888, 433212, 449874, 577616, 599832, 649818, 674811, 799776, 866424, 899748, 974727, 1155232, 1199664, 1299636, 1349622, 1732848, 1799496, 1949454, 2399328, 2599272, 2699244, 2924181, 3465696, 3598992, 3898908, 5198544, 5398488, 5848362, 7197984, 7797816, 8772543, 10397088, 10796976, 11696724, 15595632, 17545086, 21593952, 23393448, 31191264, 35090172, 46786896, 70180344, 93573792, 140360688, 280721376]

約数ペア:

[(1, 280721376), (2, 140360688), (3, 93573792), (4, 70180344), (6, 46786896), (8, 35090172), (9, 31191264), (12, 23393448), (13, 21593952), (16, 17545086), (18, 15595632), (24, 11696724), (26, 10796976), (27, 10397088), (32, 8772543), (36, 7797816), (39, 7197984), (48, 5848362), (52, 5398488), (54, 5198544), (72, 3898908), (78, 3598992), (81, 3465696), (96, 2924181), (104, 2699244), (108, 2599272), (117, 2399328), (144, 1949454), (156, 1799496), (162, 1732848), (208, 1349622), (216, 1299636), (234, 1199664), (243, 1155232), (288, 974727), (312, 899748), (324, 866424), (351, 799776), (416, 674811), (432, 649818), (468, 599832), (486, 577616), (624, 449874), (648, 433212), (702, 399888), (864, 324909), (936, 299916), (972, 288808), (1053, 266592), (1248, 224937), (1296, 216606), (1404, 199944), (1872, 149958), (1944, 144404), (2106, 133296), (2592, 108303), (2777, 101088), (2808, 99972), (3159, 88864), (3744, 74979), (3888, 72202), (4212, 66648), (5554, 50544), (5616, 49986), (6318, 44432), (7776, 36101), (8331, 33696), (8424, 33324), (11108, 25272), (11232, 24993), (12636, 22216), (16662, 16848)]