15450780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5479}}^1$

素因数の和:5538

約数の個数: 48

約数和(自身を含む): 44190720

約数和(自身を除く): 28739940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 5479, 10958, 16437, 21916, 27395, 32874, 54790, 65748, 82185, 109580, 164370, 257513, 328740, 515026, 772539, 1030052, 1287565, 1545078, 2575130, 3090156, 3862695, 5150260, 7725390, 15450780]

約数ペア:

[(1, 15450780), (2, 7725390), (3, 5150260), (4, 3862695), (5, 3090156), (6, 2575130), (10, 1545078), (12, 1287565), (15, 1030052), (20, 772539), (30, 515026), (47, 328740), (60, 257513), (94, 164370), (141, 109580), (188, 82185), (235, 65748), (282, 54790), (470, 32874), (564, 27395), (705, 21916), (940, 16437), (1410, 10958), (2820, 5479)]