81253980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451411}}^1$

素因数の和:451426

約数の個数: 36

約数和(自身を含む): 246470952

約数和(自身を除く): 165216972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451411, 902822, 1354233, 1805644, 2257055, 2708466, 4062699, 4514110, 5416932, 6771165, 8125398, 9028220, 13542330, 16250796, 20313495, 27084660, 40626990, 81253980]

約数ペア:

[(1, 81253980), (2, 40626990), (3, 27084660), (4, 20313495), (5, 16250796), (6, 13542330), (9, 9028220), (10, 8125398), (12, 6771165), (15, 5416932), (18, 4514110), (20, 4062699), (30, 2708466), (36, 2257055), (45, 1805644), (60, 1354233), (90, 902822), (180, 451411)]