18157140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 55528200

約数和(自身を除く): 37371060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 677, 745, 894, 1341, 1354, 1490, 1788, 2031, 2235, 2682, 2708, 2980, 3385, 4062, 4470, 5364, 6093, 6705, 6770, 8124, 8940, 10155, 12186, 13410, 13540, 20310, 24372, 26820, 30465, 40620, 60930, 100873, 121860, 201746, 302619, 403492, 504365, 605238, 907857, 1008730, 1210476, 1513095, 1815714, 2017460, 3026190, 3631428, 4539285, 6052380, 9078570, 18157140]

約数ペア:

[(1, 18157140), (2, 9078570), (3, 6052380), (4, 4539285), (5, 3631428), (6, 3026190), (9, 2017460), (10, 1815714), (12, 1513095), (15, 1210476), (18, 1008730), (20, 907857), (30, 605238), (36, 504365), (45, 403492), (60, 302619), (90, 201746), (149, 121860), (180, 100873), (298, 60930), (447, 40620), (596, 30465), (677, 26820), (745, 24372), (894, 20310), (1341, 13540), (1354, 13410), (1490, 12186), (1788, 10155), (2031, 8940), (2235, 8124), (2682, 6770), (2708, 6705), (2980, 6093), (3385, 5364), (4062, 4470)]