15490980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{28687}}^1$

素因数の和:28705

約数の個数: 48

約数和(自身を含む): 48195840

約数和(自身を除く): 32704860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 28687, 57374, 86061, 114748, 143435, 172122, 258183, 286870, 344244, 430305, 516366, 573740, 774549, 860610, 1032732, 1290915, 1549098, 1721220, 2581830, 3098196, 3872745, 5163660, 7745490, 15490980]

約数ペア:

[(1, 15490980), (2, 7745490), (3, 5163660), (4, 3872745), (5, 3098196), (6, 2581830), (9, 1721220), (10, 1549098), (12, 1290915), (15, 1032732), (18, 860610), (20, 774549), (27, 573740), (30, 516366), (36, 430305), (45, 344244), (54, 286870), (60, 258183), (90, 172122), (108, 143435), (135, 114748), (180, 86061), (270, 57374), (540, 28687)]