231540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 689472

約数和(自身を除く): 457932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 227, 255, 340, 454, 510, 681, 908, 1020, 1135, 1362, 2270, 2724, 3405, 3859, 4540, 6810, 7718, 11577, 13620, 15436, 19295, 23154, 38590, 46308, 57885, 77180, 115770, 231540]

約数ペア:

[(1, 231540), (2, 115770), (3, 77180), (4, 57885), (5, 46308), (6, 38590), (10, 23154), (12, 19295), (15, 15436), (17, 13620), (20, 11577), (30, 7718), (34, 6810), (51, 4540), (60, 3859), (68, 3405), (85, 2724), (102, 2270), (170, 1362), (204, 1135), (227, 1020), (255, 908), (340, 681), (454, 510)]