128285856

素因数分解:

$2^5\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1216

約数の個数: 120

約数和(自身を含む): 386394624

約数和(自身を除く): 258108768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 216, 258, 288, 324, 344, 387, 432, 516, 648, 688, 774, 864, 1032, 1151, 1161, 1296, 1376, 1548, 2064, 2302, 2322, 2592, 3096, 3453, 3483, 4128, 4604, 4644, 6192, 6906, 6966, 9208, 9288, 10359, 12384, 13812, 13932, 18416, 18576, 20718, 27624, 27864, 31077, 36832, 37152, 41436, 49493, 55248, 55728, 62154, 82872, 93231, 98986, 110496, 111456, 124308, 148479, 165744, 186462, 197972, 248616, 296958, 331488, 372924, 395944, 445437, 497232, 593916, 745848, 791888, 890874, 994464, 1187832, 1336311, 1491696, 1583776, 1781748, 2375664, 2672622, 2983392, 3563496, 4008933, 4751328, 5345244, 7126992, 8017866, 10690488, 14253984, 16035732, 21380976, 32071464, 42761952, 64142928, 128285856]

約数ペア:

[(1, 128285856), (2, 64142928), (3, 42761952), (4, 32071464), (6, 21380976), (8, 16035732), (9, 14253984), (12, 10690488), (16, 8017866), (18, 7126992), (24, 5345244), (27, 4751328), (32, 4008933), (36, 3563496), (43, 2983392), (48, 2672622), (54, 2375664), (72, 1781748), (81, 1583776), (86, 1491696), (96, 1336311), (108, 1187832), (129, 994464), (144, 890874), (162, 791888), (172, 745848), (216, 593916), (258, 497232), (288, 445437), (324, 395944), (344, 372924), (387, 331488), (432, 296958), (516, 248616), (648, 197972), (688, 186462), (774, 165744), (864, 148479), (1032, 124308), (1151, 111456), (1161, 110496), (1296, 98986), (1376, 93231), (1548, 82872), (2064, 62154), (2302, 55728), (2322, 55248), (2592, 49493), (3096, 41436), (3453, 37152), (3483, 36832), (4128, 31077), (4604, 27864), (4644, 27624), (6192, 20718), (6906, 18576), (6966, 18416), (9208, 13932), (9288, 13812), (10359, 12384)]