255189240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{708859}}^1$

素因数の和:708876

約数の個数: 48

約数和(自身を含む): 829366200

約数和(自身を除く): 574176960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 708859, 1417718, 2126577, 2835436, 3544295, 4253154, 5670872, 6379731, 7088590, 8506308, 10632885, 12759462, 14177180, 17012616, 21265770, 25518924, 28354360, 31898655, 42531540, 51037848, 63797310, 85063080, 127594620, 255189240]

約数ペア:

[(1, 255189240), (2, 127594620), (3, 85063080), (4, 63797310), (5, 51037848), (6, 42531540), (8, 31898655), (9, 28354360), (10, 25518924), (12, 21265770), (15, 17012616), (18, 14177180), (20, 12759462), (24, 10632885), (30, 8506308), (36, 7088590), (40, 6379731), (45, 5670872), (60, 4253154), (72, 3544295), (90, 2835436), (120, 2126577), (180, 1417718), (360, 708859)]