81203820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353397}}^1$

素因数の和:1353409

約数の個数: 24

約数和(自身を含む): 227370864

約数和(自身を除く): 146167044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353397, 2706794, 4060191, 5413588, 6766985, 8120382, 13533970, 16240764, 20300955, 27067940, 40601910, 81203820]

約数ペア:

[(1, 81203820), (2, 40601910), (3, 27067940), (4, 20300955), (5, 16240764), (6, 13533970), (10, 8120382), (12, 6766985), (15, 5413588), (20, 4060191), (30, 2706794), (60, 1353397)]