128421857820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{5101}}^1\times {\mathrm{419597}}^1$

素因数の和:424710

約数の個数: 48

約数和(自身を含む): 359652551328

約数和(自身を除く): 231230693508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 5101, 10202, 15303, 20404, 25505, 30606, 51010, 61212, 76515, 102020, 153030, 306060, 419597, 839194, 1258791, 1678388, 2097985, 2517582, 4195970, 5035164, 6293955, 8391940, 12587910, 25175820, 2140364297, 4280728594, 6421092891, 8561457188, 10701821485, 12842185782, 21403642970, 25684371564, 32105464455, 42807285940, 64210928910, 128421857820]

約数ペア:

[(1, 128421857820), (2, 64210928910), (3, 42807285940), (4, 32105464455), (5, 25684371564), (6, 21403642970), (10, 12842185782), (12, 10701821485), (15, 8561457188), (20, 6421092891), (30, 4280728594), (60, 2140364297), (5101, 25175820), (10202, 12587910), (15303, 8391940), (20404, 6293955), (25505, 5035164), (30606, 4195970), (51010, 2517582), (61212, 2097985), (76515, 1678388), (102020, 1258791), (153030, 839194), (306060, 419597)]