1320805616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5261}}^1$

素因数の和:5370

約数の個数: 80

約数和(自身を含む): 2959685568

約数和(自身を除く): 1638879952

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 71, 104, 136, 142, 208, 221, 272, 284, 442, 568, 884, 923, 1136, 1207, 1768, 1846, 2414, 3536, 3692, 4828, 5261, 7384, 9656, 10522, 14768, 15691, 19312, 21044, 31382, 42088, 62764, 68393, 84176, 89437, 125528, 136786, 178874, 251056, 273572, 357748, 373531, 547144, 715496, 747062, 1094288, 1162681, 1430992, 1494124, 2325362, 2988248, 4650724, 4855903, 5976496, 6350027, 9301448, 9711806, 12700054, 18602896, 19423612, 25400108, 38847224, 50800216, 77694448, 82550351, 101600432, 165100702, 330201404, 660402808, 1320805616]

約数ペア:

[(1, 1320805616), (2, 660402808), (4, 330201404), (8, 165100702), (13, 101600432), (16, 82550351), (17, 77694448), (26, 50800216), (34, 38847224), (52, 25400108), (68, 19423612), (71, 18602896), (104, 12700054), (136, 9711806), (142, 9301448), (208, 6350027), (221, 5976496), (272, 4855903), (284, 4650724), (442, 2988248), (568, 2325362), (884, 1494124), (923, 1430992), (1136, 1162681), (1207, 1094288), (1768, 747062), (1846, 715496), (2414, 547144), (3536, 373531), (3692, 357748), (4828, 273572), (5261, 251056), (7384, 178874), (9656, 136786), (10522, 125528), (14768, 89437), (15691, 84176), (19312, 68393), (21044, 62764), (31382, 42088)]