261707220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{484643}}^1$

素因数の和:484661

約数の個数: 48

約数和(自身を含む): 814201920

約数和(自身を除く): 552494700

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, 484643, 969286, 1453929, 1938572, 2423215, 2907858, 4361787, 4846430, 5815716, 7269645, 8723574, 9692860, 13085361, 14539290, 17447148, 21808935, 26170722, 29078580, 43617870, 52341444, 65426805, 87235740, 130853610, 261707220]

約数ペア:

[(1, 261707220), (2, 130853610), (3, 87235740), (4, 65426805), (5, 52341444), (6, 43617870), (9, 29078580), (10, 26170722), (12, 21808935), (15, 17447148), (18, 14539290), (20, 13085361), (27, 9692860), (30, 8723574), (36, 7269645), (45, 5815716), (54, 4846430), (60, 4361787), (90, 2907858), (108, 2423215), (135, 1938572), (180, 1453929), (270, 969286), (540, 484643)]