68899520

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1705

約数の個数: 56

約数和(自身を含む): 165354000

約数和(自身を除く): 96454480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1549, 2224, 2780, 3098, 4448, 5560, 6196, 7745, 8896, 11120, 12392, 15490, 22240, 24784, 30980, 44480, 49568, 61960, 99136, 123920, 215311, 247840, 430622, 495680, 861244, 1076555, 1722488, 2153110, 3444976, 4306220, 6889952, 8612440, 13779904, 17224880, 34449760, 68899520]

約数ペア:

[(1, 68899520), (2, 34449760), (4, 17224880), (5, 13779904), (8, 8612440), (10, 6889952), (16, 4306220), (20, 3444976), (32, 2153110), (40, 1722488), (64, 1076555), (80, 861244), (139, 495680), (160, 430622), (278, 247840), (320, 215311), (556, 123920), (695, 99136), (1112, 61960), (1390, 49568), (1549, 44480), (2224, 30980), (2780, 24784), (3098, 22240), (4448, 15490), (5560, 12392), (6196, 11120), (7745, 8896)]