265740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 768768

約数和(自身を除く): 503028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 103, 129, 172, 206, 215, 258, 309, 412, 430, 515, 516, 618, 645, 860, 1030, 1236, 1290, 1545, 2060, 2580, 3090, 4429, 6180, 8858, 13287, 17716, 22145, 26574, 44290, 53148, 66435, 88580, 132870, 265740]

約数ペア:

[(1, 265740), (2, 132870), (3, 88580), (4, 66435), (5, 53148), (6, 44290), (10, 26574), (12, 22145), (15, 17716), (20, 13287), (30, 8858), (43, 6180), (60, 4429), (86, 3090), (103, 2580), (129, 2060), (172, 1545), (206, 1290), (215, 1236), (258, 1030), (309, 860), (412, 645), (430, 618), (515, 516)]