67581640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241363}}^1$

素因数の和:241381

約数の個数: 32

約数和(自身を含む): 173782080

約数和(自身を除く): 106200440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 241363, 482726, 965452, 1206815, 1689541, 1930904, 2413630, 3379082, 4827260, 6758164, 8447705, 9654520, 13516328, 16895410, 33790820, 67581640]

約数ペア:

[(1, 67581640), (2, 33790820), (4, 16895410), (5, 13516328), (7, 9654520), (8, 8447705), (10, 6758164), (14, 4827260), (20, 3379082), (28, 2413630), (35, 1930904), (40, 1689541), (56, 1206815), (70, 965452), (140, 482726), (280, 241363)]