>>700
下手の考え休むに似たり
考える前に探せ

9, 3, -12, 18, -18
12, 6, -18, 36, -36
16, 2, -18, 24, -24
16, 9, -25, 60, -60
20, 5, -25, 50, -50
25, 20, -45, 150, -150
36, 12, -48, 144, -144
48, 24, -72, 288, -288
63, 49, -112, 588, -588
64, 8, -72, 192, -192
64, 36, -100, 480, -480
80, 20, -100, 400, -400
81, 27, -108, 486, -486
84, 63, -147, 882, -882
90, 10, -100, 300, -300
90, 60, -150, 900, -900
98, 2, -100, 140, -140
98, 14, -112, 392, -392
98, 28, -126, 588, -588
98, 64, -162, 1008, -1008
100, 80, -180, 1200, -1200