66851680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8527}}^1$

素因数の和:8556

約数の個数: 72

約数和(自身を含む): 183744288

約数和(自身を除く): 116892608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8527, 17054, 34108, 42635, 59689, 68216, 85270, 119378, 136432, 170540, 238756, 272864, 298445, 341080, 417823, 477512, 596890, 682160, 835646, 955024, 1193780, 1364320, 1671292, 1910048, 2089115, 2387560, 3342584, 4178230, 4775120, 6685168, 8356460, 9550240, 13370336, 16712920, 33425840, 66851680]

約数ペア:

[(1, 66851680), (2, 33425840), (4, 16712920), (5, 13370336), (7, 9550240), (8, 8356460), (10, 6685168), (14, 4775120), (16, 4178230), (20, 3342584), (28, 2387560), (32, 2089115), (35, 1910048), (40, 1671292), (49, 1364320), (56, 1193780), (70, 955024), (80, 835646), (98, 682160), (112, 596890), (140, 477512), (160, 417823), (196, 341080), (224, 298445), (245, 272864), (280, 238756), (392, 170540), (490, 136432), (560, 119378), (784, 85270), (980, 68216), (1120, 59689), (1568, 42635), (1960, 34108), (3920, 17054), (7840, 8527)]