81415656

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 262491840

約数和(自身を除く): 181076184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 49, 56, 63, 72, 84, 94, 98, 126, 141, 147, 168, 188, 196, 252, 282, 294, 329, 376, 392, 423, 441, 491, 504, 564, 588, 658, 846, 882, 982, 987, 1128, 1176, 1316, 1473, 1692, 1764, 1964, 1974, 2303, 2632, 2946, 2961, 3384, 3437, 3528, 3928, 3948, 4419, 4606, 5892, 5922, 6874, 6909, 7896, 8838, 9212, 10311, 11784, 11844, 13748, 13818, 17676, 18424, 20622, 20727, 23077, 23688, 24059, 27496, 27636, 30933, 35352, 41244, 41454, 46154, 48118, 55272, 61866, 69231, 72177, 82488, 82908, 92308, 96236, 123732, 138462, 144354, 161539, 165816, 184616, 192472, 207693, 216531, 247464, 276924, 288708, 323078, 415386, 433062, 484617, 553848, 577416, 646156, 830772, 866124, 969234, 1130773, 1292312, 1453851, 1661544, 1732248, 1938468, 2261546, 2907702, 3392319, 3876936, 4523092, 5815404, 6784638, 9046184, 10176957, 11630808, 13569276, 20353914, 27138552, 40707828, 81415656]

約数ペア:

[(1, 81415656), (2, 40707828), (3, 27138552), (4, 20353914), (6, 13569276), (7, 11630808), (8, 10176957), (9, 9046184), (12, 6784638), (14, 5815404), (18, 4523092), (21, 3876936), (24, 3392319), (28, 2907702), (36, 2261546), (42, 1938468), (47, 1732248), (49, 1661544), (56, 1453851), (63, 1292312), (72, 1130773), (84, 969234), (94, 866124), (98, 830772), (126, 646156), (141, 577416), (147, 553848), (168, 484617), (188, 433062), (196, 415386), (252, 323078), (282, 288708), (294, 276924), (329, 247464), (376, 216531), (392, 207693), (423, 192472), (441, 184616), (491, 165816), (504, 161539), (564, 144354), (588, 138462), (658, 123732), (846, 96236), (882, 92308), (982, 82908), (987, 82488), (1128, 72177), (1176, 69231), (1316, 61866), (1473, 55272), (1692, 48118), (1764, 46154), (1964, 41454), (1974, 41244), (2303, 35352), (2632, 30933), (2946, 27636), (2961, 27496), (3384, 24059), (3437, 23688), (3528, 23077), (3928, 20727), (3948, 20622), (4419, 18424), (4606, 17676), (5892, 13818), (5922, 13748), (6874, 11844), (6909, 11784), (7896, 10311), (8838, 9212)]