71604640

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1439}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 169827840

約数和(自身を除く): 98223200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1439, 1555, 2488, 2878, 3110, 4976, 5756, 6220, 7195, 9952, 11512, 12440, 14390, 23024, 24880, 28780, 46048, 49760, 57560, 115120, 230240, 447529, 895058, 1790116, 2237645, 3580232, 4475290, 7160464, 8950580, 14320928, 17901160, 35802320, 71604640]

約数ペア:

[(1, 71604640), (2, 35802320), (4, 17901160), (5, 14320928), (8, 8950580), (10, 7160464), (16, 4475290), (20, 3580232), (32, 2237645), (40, 1790116), (80, 895058), (160, 447529), (311, 230240), (622, 115120), (1244, 57560), (1439, 49760), (1555, 46048), (2488, 28780), (2878, 24880), (3110, 23024), (4976, 14390), (5756, 12440), (6220, 11512), (7195, 9952)]