28761780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3499}}^1$

素因数の和:3648

約数の個数: 48

約数和(自身を含む): 81144000

約数和(自身を除く): 52382220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 3499, 4110, 6998, 8220, 10497, 13996, 17495, 20994, 34990, 41988, 52485, 69980, 104970, 209940, 479363, 958726, 1438089, 1917452, 2396815, 2876178, 4793630, 5752356, 7190445, 9587260, 14380890, 28761780]

約数ペア:

[(1, 28761780), (2, 14380890), (3, 9587260), (4, 7190445), (5, 5752356), (6, 4793630), (10, 2876178), (12, 2396815), (15, 1917452), (20, 1438089), (30, 958726), (60, 479363), (137, 209940), (274, 104970), (411, 69980), (548, 52485), (685, 41988), (822, 34990), (1370, 20994), (1644, 17495), (2055, 13996), (2740, 10497), (3499, 8220), (4110, 6998)]