128019815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 213480960

約数和(自身を除く): 85461145

約数列:

[1, 5, 7, 11, 19, 35, 37, 43, 55, 77, 95, 121, 133, 185, 209, 215, 259, 301, 385, 407, 473, 605, 665, 703, 817, 847, 1045, 1295, 1463, 1505, 1591, 2035, 2299, 2365, 2849, 3311, 3515, 4085, 4235, 4477, 4921, 5203, 5719, 7315, 7733, 7955, 8987, 11137, 11495, 14245, 16093, 16555, 17501, 22385, 24605, 26015, 28595, 30229, 31339, 36421, 38665, 44935, 54131, 55685, 62909, 80465, 85063, 87505, 98857, 122507, 151145, 156695, 182105, 192511, 211603, 270655, 314545, 332519, 425315, 494285, 595441, 612535, 691999, 962555, 1058015, 1347577, 1662595, 2327633, 2977205, 3459995, 3657709, 6737885, 11638165, 18288545, 25603963, 128019815]

約数ペア:

[(1, 128019815), (5, 25603963), (7, 18288545), (11, 11638165), (19, 6737885), (35, 3657709), (37, 3459995), (43, 2977205), (55, 2327633), (77, 1662595), (95, 1347577), (121, 1058015), (133, 962555), (185, 691999), (209, 612535), (215, 595441), (259, 494285), (301, 425315), (385, 332519), (407, 314545), (473, 270655), (605, 211603), (665, 192511), (703, 182105), (817, 156695), (847, 151145), (1045, 122507), (1295, 98857), (1463, 87505), (1505, 85063), (1591, 80465), (2035, 62909), (2299, 55685), (2365, 54131), (2849, 44935), (3311, 38665), (3515, 36421), (4085, 31339), (4235, 30229), (4477, 28595), (4921, 26015), (5203, 24605), (5719, 22385), (7315, 17501), (7733, 16555), (7955, 16093), (8987, 14245), (11137, 11495)]