68679040

素因数分解:

$2^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 165240000

約数和(自身を除く): 96560960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 320, 449, 478, 640, 898, 956, 1195, 1796, 1912, 2245, 2390, 3592, 3824, 4490, 4780, 7184, 7648, 8980, 9560, 14368, 15296, 17960, 19120, 28736, 30592, 35920, 38240, 57472, 71840, 76480, 107311, 143680, 152960, 214622, 287360, 429244, 536555, 858488, 1073110, 1716976, 2146220, 3433952, 4292440, 6867904, 8584880, 13735808, 17169760, 34339520, 68679040]

約数ペア:

[(1, 68679040), (2, 34339520), (4, 17169760), (5, 13735808), (8, 8584880), (10, 6867904), (16, 4292440), (20, 3433952), (32, 2146220), (40, 1716976), (64, 1073110), (80, 858488), (128, 536555), (160, 429244), (239, 287360), (320, 214622), (449, 152960), (478, 143680), (640, 107311), (898, 76480), (956, 71840), (1195, 57472), (1796, 38240), (1912, 35920), (2245, 30592), (2390, 28736), (3592, 19120), (3824, 17960), (4490, 15296), (4780, 14368), (7184, 9560), (7648, 8980)]