80979420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2099}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 227203200

約数和(自身を除く): 146223780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2099, 2572, 3215, 3858, 4198, 6297, 6430, 7716, 8396, 9645, 10495, 12594, 12860, 19290, 20990, 25188, 31485, 38580, 41980, 62970, 125940, 1349657, 2699314, 4048971, 5398628, 6748285, 8097942, 13496570, 16195884, 20244855, 26993140, 40489710, 80979420]

約数ペア:

[(1, 80979420), (2, 40489710), (3, 26993140), (4, 20244855), (5, 16195884), (6, 13496570), (10, 8097942), (12, 6748285), (15, 5398628), (20, 4048971), (30, 2699314), (60, 1349657), (643, 125940), (1286, 62970), (1929, 41980), (2099, 38580), (2572, 31485), (3215, 25188), (3858, 20990), (4198, 19290), (6297, 12860), (6430, 12594), (7716, 10495), (8396, 9645)]