1279960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 3142800

約数和(自身を除く): 1862840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2909, 5818, 11636, 14545, 23272, 29090, 31999, 58180, 63998, 116360, 127996, 159995, 255992, 319990, 639980, 1279960]

約数ペア:

[(1, 1279960), (2, 639980), (4, 319990), (5, 255992), (8, 159995), (10, 127996), (11, 116360), (20, 63998), (22, 58180), (40, 31999), (44, 29090), (55, 23272), (88, 14545), (110, 11636), (220, 5818), (440, 2909)]