81603660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1811}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 228920832

約数和(自身を除く): 147317172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 751, 1502, 1811, 2253, 3004, 3622, 3755, 4506, 5433, 7244, 7510, 9012, 9055, 10866, 11265, 15020, 18110, 21732, 22530, 27165, 36220, 45060, 54330, 108660, 1360061, 2720122, 4080183, 5440244, 6800305, 8160366, 13600610, 16320732, 20400915, 27201220, 40801830, 81603660]

約数ペア:

[(1, 81603660), (2, 40801830), (3, 27201220), (4, 20400915), (5, 16320732), (6, 13600610), (10, 8160366), (12, 6800305), (15, 5440244), (20, 4080183), (30, 2720122), (60, 1360061), (751, 108660), (1502, 54330), (1811, 45060), (2253, 36220), (3004, 27165), (3622, 22530), (3755, 21732), (4506, 18110), (5433, 15020), (7244, 11265), (7510, 10866), (9012, 9055)]