180806725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 255983616

約数和(自身を除く): 75176891

約数列:

[1, 5, 11, 25, 31, 55, 127, 155, 167, 275, 341, 635, 775, 835, 1397, 1705, 1837, 3175, 3937, 4175, 5177, 6985, 8525, 9185, 19685, 21209, 25885, 34925, 43307, 45925, 56947, 98425, 106045, 129425, 216535, 233299, 284735, 530225, 657479, 1082675, 1166495, 1423675, 3287395, 5832475, 7232269, 16436975, 36161345, 180806725]

約数ペア:

[(1, 180806725), (5, 36161345), (11, 16436975), (25, 7232269), (31, 5832475), (55, 3287395), (127, 1423675), (155, 1166495), (167, 1082675), (275, 657479), (341, 530225), (635, 284735), (775, 233299), (835, 216535), (1397, 129425), (1705, 106045), (1837, 98425), (3175, 56947), (3937, 45925), (4175, 43307), (5177, 34925), (6985, 25885), (8525, 21209), (9185, 19685)]