128870742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 354816000

約数和(自身を除く): 225945258

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 43, 66, 77, 78, 86, 91, 129, 143, 154, 182, 231, 258, 273, 286, 301, 429, 462, 473, 499, 546, 559, 602, 858, 903, 946, 998, 1001, 1118, 1419, 1497, 1677, 1806, 2002, 2838, 2994, 3003, 3311, 3354, 3493, 3913, 5489, 6006, 6149, 6487, 6622, 6986, 7826, 9933, 10479, 10978, 11739, 12298, 12974, 16467, 18447, 19461, 19866, 20958, 21457, 23478, 32934, 36894, 38423, 38922, 42914, 43043, 45409, 64371, 71357, 76846, 86086, 90818, 115269, 128742, 129129, 136227, 142714, 150199, 214071, 230538, 236027, 258258, 272454, 278941, 300398, 428142, 450597, 472054, 499499, 557882, 708081, 836823, 901194, 998998, 1416162, 1498497, 1652189, 1673646, 1952587, 2996994, 3068351, 3304378, 3905174, 4956567, 5857761, 6136702, 9205053, 9913134, 11715522, 18410106, 21478457, 42956914, 64435371, 128870742]

約数ペア:

[(1, 128870742), (2, 64435371), (3, 42956914), (6, 21478457), (7, 18410106), (11, 11715522), (13, 9913134), (14, 9205053), (21, 6136702), (22, 5857761), (26, 4956567), (33, 3905174), (39, 3304378), (42, 3068351), (43, 2996994), (66, 1952587), (77, 1673646), (78, 1652189), (86, 1498497), (91, 1416162), (129, 998998), (143, 901194), (154, 836823), (182, 708081), (231, 557882), (258, 499499), (273, 472054), (286, 450597), (301, 428142), (429, 300398), (462, 278941), (473, 272454), (499, 258258), (546, 236027), (559, 230538), (602, 214071), (858, 150199), (903, 142714), (946, 136227), (998, 129129), (1001, 128742), (1118, 115269), (1419, 90818), (1497, 86086), (1677, 76846), (1806, 71357), (2002, 64371), (2838, 45409), (2994, 43043), (3003, 42914), (3311, 38922), (3354, 38423), (3493, 36894), (3913, 32934), (5489, 23478), (6006, 21457), (6149, 20958), (6487, 19866), (6622, 19461), (6986, 18447), (7826, 16467), (9933, 12974), (10479, 12298), (10978, 11739)]