80569980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{447611}}^1$

素因数の和:447626

約数の個数: 36

約数和(自身を含む): 244396152

約数和(自身を除く): 163826172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 447611, 895222, 1342833, 1790444, 2238055, 2685666, 4028499, 4476110, 5371332, 6714165, 8056998, 8952220, 13428330, 16113996, 20142495, 26856660, 40284990, 80569980]

約数ペア:

[(1, 80569980), (2, 40284990), (3, 26856660), (4, 20142495), (5, 16113996), (6, 13428330), (9, 8952220), (10, 8056998), (12, 6714165), (15, 5371332), (18, 4476110), (20, 4028499), (30, 2685666), (36, 2238055), (45, 1790444), (60, 1342833), (90, 895222), (180, 447611)]