81296730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1087}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 217774080

約数和(自身を除く): 136477350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 277, 554, 831, 1087, 1385, 1662, 2174, 2493, 2770, 3261, 4155, 4986, 5435, 6522, 7479, 8310, 9783, 10870, 12465, 14958, 16305, 19566, 24930, 29349, 32610, 37395, 48915, 58698, 74790, 97830, 146745, 293490, 301099, 602198, 903297, 1505495, 1806594, 2709891, 3010990, 4516485, 5419782, 8129673, 9032970, 13549455, 16259346, 27098910, 40648365, 81296730]

約数ペア:

[(1, 81296730), (2, 40648365), (3, 27098910), (5, 16259346), (6, 13549455), (9, 9032970), (10, 8129673), (15, 5419782), (18, 4516485), (27, 3010990), (30, 2709891), (45, 1806594), (54, 1505495), (90, 903297), (135, 602198), (270, 301099), (277, 293490), (554, 146745), (831, 97830), (1087, 74790), (1385, 58698), (1662, 48915), (2174, 37395), (2493, 32610), (2770, 29349), (3261, 24930), (4155, 19566), (4986, 16305), (5435, 14958), (6522, 12465), (7479, 10870), (8310, 9783)]