68542120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90187}}^1$

素因数の和:90217

約数の個数: 32

約数和(自身を含む): 162338400

約数和(自身を除く): 93796280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 90187, 180374, 360748, 450935, 721496, 901870, 1713553, 1803740, 3427106, 3607480, 6854212, 8567765, 13708424, 17135530, 34271060, 68542120]

約数ペア:

[(1, 68542120), (2, 34271060), (4, 17135530), (5, 13708424), (8, 8567765), (10, 6854212), (19, 3607480), (20, 3427106), (38, 1803740), (40, 1713553), (76, 901870), (95, 721496), (152, 450935), (190, 360748), (380, 180374), (760, 90187)]