28987740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53681}}^1$

素因数の和:53699

約数の個数: 48

約数和(自身を含む): 90185760

約数和(自身を除く): 61198020

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, 53681, 107362, 161043, 214724, 268405, 322086, 483129, 536810, 644172, 805215, 966258, 1073620, 1449387, 1610430, 1932516, 2415645, 2898774, 3220860, 4831290, 5797548, 7246935, 9662580, 14493870, 28987740]

約数ペア:

[(1, 28987740), (2, 14493870), (3, 9662580), (4, 7246935), (5, 5797548), (6, 4831290), (9, 3220860), (10, 2898774), (12, 2415645), (15, 1932516), (18, 1610430), (20, 1449387), (27, 1073620), (30, 966258), (36, 805215), (45, 644172), (54, 536810), (60, 483129), (90, 322086), (108, 268405), (135, 214724), (180, 161043), (270, 107362), (540, 53681)]