220287780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8933}}^1$

素因数の和:9085

約数の個数: 72

約数和(自身を含む): 673159032

約数和(自身を除く): 452871252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 8933, 12330, 17866, 24660, 26799, 35732, 44665, 53598, 80397, 89330, 107196, 133995, 160794, 178660, 267990, 321588, 401985, 535980, 803970, 1223821, 1607940, 2447642, 3671463, 4895284, 6119105, 7342926, 11014389, 12238210, 14685852, 18357315, 22028778, 24476420, 36714630, 44057556, 55071945, 73429260, 110143890, 220287780]

約数ペア:

[(1, 220287780), (2, 110143890), (3, 73429260), (4, 55071945), (5, 44057556), (6, 36714630), (9, 24476420), (10, 22028778), (12, 18357315), (15, 14685852), (18, 12238210), (20, 11014389), (30, 7342926), (36, 6119105), (45, 4895284), (60, 3671463), (90, 2447642), (137, 1607940), (180, 1223821), (274, 803970), (411, 535980), (548, 401985), (685, 321588), (822, 267990), (1233, 178660), (1370, 160794), (1644, 133995), (2055, 107196), (2466, 89330), (2740, 80397), (4110, 53598), (4932, 44665), (6165, 35732), (8220, 26799), (8933, 24660), (12330, 17866)]