68245520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121867}}^1$

素因数の和:121887

約数の個数: 40

約数和(自身を含む): 181339584

約数和(自身を除く): 113094064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121867, 243734, 487468, 609335, 853069, 974936, 1218670, 1706138, 1949872, 2437340, 3412276, 4265345, 4874680, 6824552, 8530690, 9749360, 13649104, 17061380, 34122760, 68245520]

約数ペア:

[(1, 68245520), (2, 34122760), (4, 17061380), (5, 13649104), (7, 9749360), (8, 8530690), (10, 6824552), (14, 4874680), (16, 4265345), (20, 3412276), (28, 2437340), (35, 1949872), (40, 1706138), (56, 1218670), (70, 974936), (80, 853069), (112, 609335), (140, 487468), (280, 243734), (560, 121867)]