67340840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{240503}}^1$

素因数の和:240521

約数の個数: 32

約数和(自身を含む): 173162880

約数和(自身を除く): 105822040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 240503, 481006, 962012, 1202515, 1683521, 1924024, 2405030, 3367042, 4810060, 6734084, 8417605, 9620120, 13468168, 16835210, 33670420, 67340840]

約数ペア:

[(1, 67340840), (2, 33670420), (4, 16835210), (5, 13468168), (7, 9620120), (8, 8417605), (10, 6734084), (14, 4810060), (20, 3367042), (28, 2405030), (35, 1924024), (40, 1683521), (56, 1202515), (70, 962012), (140, 481006), (280, 240503)]