1230680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2797}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 3021840

約数和(自身を除く): 1791160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2797, 5594, 11188, 13985, 22376, 27970, 30767, 55940, 61534, 111880, 123068, 153835, 246136, 307670, 615340, 1230680]

約数ペア:

[(1, 1230680), (2, 615340), (4, 307670), (5, 246136), (8, 153835), (10, 123068), (11, 111880), (20, 61534), (22, 55940), (40, 30767), (44, 27970), (55, 22376), (88, 13985), (110, 11188), (220, 5594), (440, 2797)]