15426460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 21829220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 439, 502, 878, 1004, 1255, 1756, 1757, 2195, 2510, 3073, 3514, 4390, 5020, 6146, 7028, 8780, 8785, 12292, 15365, 17570, 30730, 35140, 61460, 110189, 220378, 440756, 550945, 771323, 1101890, 1542646, 2203780, 3085292, 3856615, 7713230, 15426460]

約数ペア:

[(1, 15426460), (2, 7713230), (4, 3856615), (5, 3085292), (7, 2203780), (10, 1542646), (14, 1101890), (20, 771323), (28, 550945), (35, 440756), (70, 220378), (140, 110189), (251, 61460), (439, 35140), (502, 30730), (878, 17570), (1004, 15365), (1255, 12292), (1756, 8785), (1757, 8780), (2195, 7028), (2510, 6146), (3073, 5020), (3514, 4390)]