81323820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451799}}^1$

素因数の和:451814

約数の個数: 36

約数和(自身を含む): 246682800

約数和(自身を除く): 165358980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451799, 903598, 1355397, 1807196, 2258995, 2710794, 4066191, 4517990, 5421588, 6776985, 8132382, 9035980, 13553970, 16264764, 20330955, 27107940, 40661910, 81323820]

約数ペア:

[(1, 81323820), (2, 40661910), (3, 27107940), (4, 20330955), (5, 16264764), (6, 13553970), (9, 9035980), (10, 8132382), (12, 6776985), (15, 5421588), (18, 4517990), (20, 4066191), (30, 2710794), (36, 2258995), (45, 1807196), (60, 1355397), (90, 903598), (180, 451799)]