81358872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 250698240

約数和(自身を除く): 169339368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 61, 68, 84, 102, 119, 122, 136, 168, 183, 204, 238, 244, 357, 366, 408, 427, 467, 476, 488, 714, 732, 854, 934, 952, 1037, 1281, 1401, 1428, 1464, 1708, 1868, 2074, 2562, 2802, 2856, 3111, 3269, 3416, 3736, 4148, 5124, 5604, 6222, 6538, 7259, 7939, 8296, 9807, 10248, 11208, 12444, 13076, 14518, 15878, 19614, 21777, 23817, 24888, 26152, 28487, 29036, 31756, 39228, 43554, 47634, 55573, 56974, 58072, 63512, 78456, 85461, 87108, 95268, 111146, 113948, 166719, 170922, 174216, 190536, 199409, 222292, 227896, 333438, 341844, 398818, 444584, 484279, 598227, 666876, 683688, 797636, 968558, 1196454, 1333752, 1452837, 1595272, 1937116, 2392908, 2905674, 3389953, 3874232, 4785816, 5811348, 6779906, 10169859, 11622696, 13559812, 20339718, 27119624, 40679436, 81358872]

約数ペア:

[(1, 81358872), (2, 40679436), (3, 27119624), (4, 20339718), (6, 13559812), (7, 11622696), (8, 10169859), (12, 6779906), (14, 5811348), (17, 4785816), (21, 3874232), (24, 3389953), (28, 2905674), (34, 2392908), (42, 1937116), (51, 1595272), (56, 1452837), (61, 1333752), (68, 1196454), (84, 968558), (102, 797636), (119, 683688), (122, 666876), (136, 598227), (168, 484279), (183, 444584), (204, 398818), (238, 341844), (244, 333438), (357, 227896), (366, 222292), (408, 199409), (427, 190536), (467, 174216), (476, 170922), (488, 166719), (714, 113948), (732, 111146), (854, 95268), (934, 87108), (952, 85461), (1037, 78456), (1281, 63512), (1401, 58072), (1428, 56974), (1464, 55573), (1708, 47634), (1868, 43554), (2074, 39228), (2562, 31756), (2802, 29036), (2856, 28487), (3111, 26152), (3269, 24888), (3416, 23817), (3736, 21777), (4148, 19614), (5124, 15878), (5604, 14518), (6222, 13076), (6538, 12444), (7259, 11208), (7939, 10248), (8296, 9807)]