51904980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{288361}}^1$

素因数の和:288376

約数の個数: 36

約数和(自身を含む): 157445652

約数和(自身を除く): 105540672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 288361, 576722, 865083, 1153444, 1441805, 1730166, 2595249, 2883610, 3460332, 4325415, 5190498, 5767220, 8650830, 10380996, 12976245, 17301660, 25952490, 51904980]

約数ペア:

[(1, 51904980), (2, 25952490), (3, 17301660), (4, 12976245), (5, 10380996), (6, 8650830), (9, 5767220), (10, 5190498), (12, 4325415), (15, 3460332), (18, 2883610), (20, 2595249), (30, 1730166), (36, 1441805), (45, 1153444), (60, 865083), (90, 576722), (180, 288361)]