81254970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2903}}^1$

素因数の和:3227

約数の個数: 48

約数和(自身を含む): 212015232

約数和(自身を除く): 130760262

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 933, 1555, 1866, 2799, 2903, 3110, 4665, 5598, 5806, 8709, 9330, 13995, 14515, 17418, 26127, 27990, 29030, 43545, 52254, 87090, 130635, 261270, 902833, 1805666, 2708499, 4514165, 5416998, 8125497, 9028330, 13542495, 16250994, 27084990, 40627485, 81254970]

約数ペア:

[(1, 81254970), (2, 40627485), (3, 27084990), (5, 16250994), (6, 13542495), (9, 9028330), (10, 8125497), (15, 5416998), (18, 4514165), (30, 2708499), (45, 1805666), (90, 902833), (311, 261270), (622, 130635), (933, 87090), (1555, 52254), (1866, 43545), (2799, 29030), (2903, 27990), (3110, 26127), (4665, 17418), (5598, 14515), (5806, 13995), (8709, 9330)]