720286868

素因数分解:

$2^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 1503432000

約数和(自身を除く): 783145132

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 199, 236, 313, 398, 413, 626, 796, 826, 1252, 1393, 1652, 2191, 2786, 2891, 4382, 5572, 5782, 8764, 9751, 11564, 11741, 15337, 18467, 19502, 23482, 30674, 36934, 39004, 46964, 61348, 62287, 73868, 82187, 124574, 129269, 164374, 249148, 258538, 328748, 436009, 517076, 575309, 872018, 904883, 1150618, 1744036, 1809766, 2301236, 3052063, 3619532, 3674933, 6104126, 7349866, 12208252, 14699732, 25724531, 51449062, 102898124, 180071717, 360143434, 720286868]

約数ペア:

[(1, 720286868), (2, 360143434), (4, 180071717), (7, 102898124), (14, 51449062), (28, 25724531), (49, 14699732), (59, 12208252), (98, 7349866), (118, 6104126), (196, 3674933), (199, 3619532), (236, 3052063), (313, 2301236), (398, 1809766), (413, 1744036), (626, 1150618), (796, 904883), (826, 872018), (1252, 575309), (1393, 517076), (1652, 436009), (2191, 328748), (2786, 258538), (2891, 249148), (4382, 164374), (5572, 129269), (5782, 124574), (8764, 82187), (9751, 73868), (11564, 62287), (11741, 61348), (15337, 46964), (18467, 39004), (19502, 36934), (23482, 30674)]