39961980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{222011}}^1$

素因数の和:222026

約数の個数: 36

約数和(自身を含む): 121218552

約数和(自身を除く): 81256572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 222011, 444022, 666033, 888044, 1110055, 1332066, 1998099, 2220110, 2664132, 3330165, 3996198, 4440220, 6660330, 7992396, 9990495, 13320660, 19980990, 39961980]

約数ペア:

[(1, 39961980), (2, 19980990), (3, 13320660), (4, 9990495), (5, 7992396), (6, 6660330), (9, 4440220), (10, 3996198), (12, 3330165), (15, 2664132), (18, 2220110), (20, 1998099), (30, 1332066), (36, 1110055), (45, 888044), (60, 666033), (90, 444022), (180, 222011)]