807520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{103}}^1$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 2240784

約数和(自身を除く): 1433264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 103, 112, 140, 160, 196, 206, 224, 245, 280, 392, 412, 490, 515, 560, 721, 784, 824, 980, 1030, 1120, 1442, 1568, 1648, 1960, 2060, 2884, 3296, 3605, 3920, 4120, 5047, 5768, 7210, 7840, 8240, 10094, 11536, 14420, 16480, 20188, 23072, 25235, 28840, 40376, 50470, 57680, 80752, 100940, 115360, 161504, 201880, 403760, 807520]

約数ペア:

[(1, 807520), (2, 403760), (4, 201880), (5, 161504), (7, 115360), (8, 100940), (10, 80752), (14, 57680), (16, 50470), (20, 40376), (28, 28840), (32, 25235), (35, 23072), (40, 20188), (49, 16480), (56, 14420), (70, 11536), (80, 10094), (98, 8240), (103, 7840), (112, 7210), (140, 5768), (160, 5047), (196, 4120), (206, 3920), (224, 3605), (245, 3296), (280, 2884), (392, 2060), (412, 1960), (490, 1648), (515, 1568), (560, 1442), (721, 1120), (784, 1030), (824, 980)]