78810760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4201}}^1$

素因数の和:4286

約数の個数: 64

約数和(自身を含む): 205729920

約数和(自身を除く): 126919160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4201, 4690, 8402, 9380, 16804, 18760, 21005, 29407, 33608, 42010, 58814, 84020, 117628, 147035, 168040, 235256, 281467, 294070, 562934, 588140, 1125868, 1176280, 1407335, 1970269, 2251736, 2814670, 3940538, 5629340, 7881076, 9851345, 11258680, 15762152, 19702690, 39405380, 78810760]

約数ペア:

[(1, 78810760), (2, 39405380), (4, 19702690), (5, 15762152), (7, 11258680), (8, 9851345), (10, 7881076), (14, 5629340), (20, 3940538), (28, 2814670), (35, 2251736), (40, 1970269), (56, 1407335), (67, 1176280), (70, 1125868), (134, 588140), (140, 562934), (268, 294070), (280, 281467), (335, 235256), (469, 168040), (536, 147035), (670, 117628), (938, 84020), (1340, 58814), (1876, 42010), (2345, 33608), (2680, 29407), (3752, 21005), (4201, 18760), (4690, 16804), (8402, 9380)]