78425568

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20976

約数の個数: 72

約数和(自身を含む): 240189768

約数和(自身を除く): 161764200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 20947, 41894, 62841, 83788, 125682, 167576, 188523, 251364, 272311, 335152, 377046, 502728, 544622, 670304, 754092, 816933, 1005456, 1089244, 1508184, 1633866, 2010912, 2178488, 2450799, 3016368, 3267732, 4356976, 4901598, 6032736, 6535464, 8713952, 9803196, 13070928, 19606392, 26141856, 39212784, 78425568]

約数ペア:

[(1, 78425568), (2, 39212784), (3, 26141856), (4, 19606392), (6, 13070928), (8, 9803196), (9, 8713952), (12, 6535464), (13, 6032736), (16, 4901598), (18, 4356976), (24, 3267732), (26, 3016368), (32, 2450799), (36, 2178488), (39, 2010912), (48, 1633866), (52, 1508184), (72, 1089244), (78, 1005456), (96, 816933), (104, 754092), (117, 670304), (144, 544622), (156, 502728), (208, 377046), (234, 335152), (288, 272311), (312, 251364), (416, 188523), (468, 167576), (624, 125682), (936, 83788), (1248, 62841), (1872, 41894), (3744, 20947)]