123713820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{687299}}^1$

素因数の和:687314

約数の個数: 36

約数和(自身を含む): 375265800

約数和(自身を除く): 251551980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 687299, 1374598, 2061897, 2749196, 3436495, 4123794, 6185691, 6872990, 8247588, 10309485, 12371382, 13745980, 20618970, 24742764, 30928455, 41237940, 61856910, 123713820]

約数ペア:

[(1, 123713820), (2, 61856910), (3, 41237940), (4, 30928455), (5, 24742764), (6, 20618970), (9, 13745980), (10, 12371382), (12, 10309485), (15, 8247588), (18, 6872990), (20, 6185691), (30, 4123794), (36, 3436495), (45, 2749196), (60, 2061897), (90, 1374598), (180, 687299)]