81580512

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 232848000

約数和(自身を除く): 151267488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 131, 156, 208, 262, 312, 393, 416, 499, 524, 624, 786, 998, 1048, 1248, 1497, 1572, 1703, 1996, 2096, 2994, 3144, 3406, 3992, 4192, 5109, 5988, 6288, 6487, 6812, 7984, 10218, 11976, 12576, 12974, 13624, 15968, 19461, 20436, 23952, 25948, 27248, 38922, 40872, 47904, 51896, 54496, 65369, 77844, 81744, 103792, 130738, 155688, 163488, 196107, 207584, 261476, 311376, 392214, 522952, 622752, 784428, 849797, 1045904, 1568856, 1699594, 2091808, 2549391, 3137712, 3399188, 5098782, 6275424, 6798376, 10197564, 13596752, 20395128, 27193504, 40790256, 81580512]

約数ペア:

[(1, 81580512), (2, 40790256), (3, 27193504), (4, 20395128), (6, 13596752), (8, 10197564), (12, 6798376), (13, 6275424), (16, 5098782), (24, 3399188), (26, 3137712), (32, 2549391), (39, 2091808), (48, 1699594), (52, 1568856), (78, 1045904), (96, 849797), (104, 784428), (131, 622752), (156, 522952), (208, 392214), (262, 311376), (312, 261476), (393, 207584), (416, 196107), (499, 163488), (524, 155688), (624, 130738), (786, 103792), (998, 81744), (1048, 77844), (1248, 65369), (1497, 54496), (1572, 51896), (1703, 47904), (1996, 40872), (2096, 38922), (2994, 27248), (3144, 25948), (3406, 23952), (3992, 20436), (4192, 19461), (5109, 15968), (5988, 13624), (6288, 12974), (6487, 12576), (6812, 11976), (7984, 10218)]