78927780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1315463}}^1$

素因数の和:1315475

約数の個数: 24

約数和(自身を含む): 220997952

約数和(自身を除く): 142070172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1315463, 2630926, 3946389, 5261852, 6577315, 7892778, 13154630, 15785556, 19731945, 26309260, 39463890, 78927780]

約数ペア:

[(1, 78927780), (2, 39463890), (3, 26309260), (4, 19731945), (5, 15785556), (6, 13154630), (10, 7892778), (12, 6577315), (15, 5261852), (20, 3946389), (30, 2630926), (60, 1315463)]