1286320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2297}}^1$

素因数の和:2317

約数の個数: 40

約数和(自身を含む): 3419424

約数和(自身を除く): 2133104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2297, 4594, 9188, 11485, 16079, 18376, 22970, 32158, 36752, 45940, 64316, 80395, 91880, 128632, 160790, 183760, 257264, 321580, 643160, 1286320]

約数ペア:

[(1, 1286320), (2, 643160), (4, 321580), (5, 257264), (7, 183760), (8, 160790), (10, 128632), (14, 91880), (16, 80395), (20, 64316), (28, 45940), (35, 36752), (40, 32158), (56, 22970), (70, 18376), (80, 16079), (112, 11485), (140, 9188), (280, 4594), (560, 2297)]