28393020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157739}}^1$

素因数の和:157754

約数の個数: 36

約数和(自身を含む): 86126040

約数和(自身を除く): 57733020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157739, 315478, 473217, 630956, 788695, 946434, 1419651, 1577390, 1892868, 2366085, 2839302, 3154780, 4732170, 5678604, 7098255, 9464340, 14196510, 28393020]

約数ペア:

[(1, 28393020), (2, 14196510), (3, 9464340), (4, 7098255), (5, 5678604), (6, 4732170), (9, 3154780), (10, 2839302), (12, 2366085), (15, 1892868), (18, 1577390), (20, 1419651), (30, 946434), (36, 788695), (45, 630956), (60, 473217), (90, 315478), (180, 157739)]