68988840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{574907}}^1$

素因数の和:574921

約数の個数: 32

約数和(自身を含む): 206966880

約数和(自身を除く): 137978040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 574907, 1149814, 1724721, 2299628, 2874535, 3449442, 4599256, 5749070, 6898884, 8623605, 11498140, 13797768, 17247210, 22996280, 34494420, 68988840]

約数ペア:

[(1, 68988840), (2, 34494420), (3, 22996280), (4, 17247210), (5, 13797768), (6, 11498140), (8, 8623605), (10, 6898884), (12, 5749070), (15, 4599256), (20, 3449442), (24, 2874535), (30, 2299628), (40, 1724721), (60, 1149814), (120, 574907)]