61105280

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 147026880

約数和(自身を除く): 85921600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 311, 320, 614, 622, 640, 1228, 1244, 1535, 1555, 2456, 2488, 3070, 3110, 4912, 4976, 6140, 6220, 9824, 9952, 12280, 12440, 19648, 19904, 24560, 24880, 39296, 39808, 49120, 49760, 95477, 98240, 99520, 190954, 196480, 199040, 381908, 477385, 763816, 954770, 1527632, 1909540, 3055264, 3819080, 6110528, 7638160, 12221056, 15276320, 30552640, 61105280]

約数ペア:

[(1, 61105280), (2, 30552640), (4, 15276320), (5, 12221056), (8, 7638160), (10, 6110528), (16, 3819080), (20, 3055264), (32, 1909540), (40, 1527632), (64, 954770), (80, 763816), (128, 477385), (160, 381908), (307, 199040), (311, 196480), (320, 190954), (614, 99520), (622, 98240), (640, 95477), (1228, 49760), (1244, 49120), (1535, 39808), (1555, 39296), (2456, 24880), (2488, 24560), (3070, 19904), (3110, 19648), (4912, 12440), (4976, 12280), (6140, 9952), (6220, 9824)]