30981960

素因数分解:

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

素因数の和:28707

約数の個数: 64

約数和(自身を含む): 103276800

約数和(自身を除く): 72294840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 28687, 57374, 86061, 114748, 143435, 172122, 229496, 258183, 286870, 344244, 430305, 516366, 573740, 688488, 774549, 860610, 1032732, 1147480, 1290915, 1549098, 1721220, 2065464, 2581830, 3098196, 3442440, 3872745, 5163660, 6196392, 7745490, 10327320, 15490980, 30981960]

約数ペア:

[(1, 30981960), (2, 15490980), (3, 10327320), (4, 7745490), (5, 6196392), (6, 5163660), (8, 3872745), (9, 3442440), (10, 3098196), (12, 2581830), (15, 2065464), (18, 1721220), (20, 1549098), (24, 1290915), (27, 1147480), (30, 1032732), (36, 860610), (40, 774549), (45, 688488), (54, 573740), (60, 516366), (72, 430305), (90, 344244), (108, 286870), (120, 258183), (135, 229496), (180, 172122), (216, 143435), (270, 114748), (360, 86061), (540, 57374), (1080, 28687)]