80228970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20731}}^1$

素因数の和:20787

約数の個数: 48

約数和(自身を含む): 213456672

約数和(自身を除く): 133227702

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 20731, 41462, 62193, 103655, 124386, 186579, 207310, 310965, 373158, 621930, 891433, 932895, 1782866, 1865790, 2674299, 4457165, 5348598, 8022897, 8914330, 13371495, 16045794, 26742990, 40114485, 80228970]

約数ペア:

[(1, 80228970), (2, 40114485), (3, 26742990), (5, 16045794), (6, 13371495), (9, 8914330), (10, 8022897), (15, 5348598), (18, 4457165), (30, 2674299), (43, 1865790), (45, 1782866), (86, 932895), (90, 891433), (129, 621930), (215, 373158), (258, 310965), (387, 207310), (430, 186579), (645, 124386), (774, 103655), (1290, 62193), (1935, 41462), (3870, 20731)]