80743915

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 119448000

約数和(自身を除く): 38704085

約数列:

[1, 5, 7, 23, 35, 49, 89, 115, 161, 245, 343, 445, 529, 623, 805, 1127, 1715, 2047, 2645, 3115, 3703, 4361, 5635, 7889, 10235, 14329, 18515, 21805, 25921, 30527, 39445, 47081, 71645, 100303, 129605, 152635, 181447, 235405, 329567, 501515, 702121, 907235, 1647835, 2306969, 3510605, 11534845, 16148783, 80743915]

約数ペア:

[(1, 80743915), (5, 16148783), (7, 11534845), (23, 3510605), (35, 2306969), (49, 1647835), (89, 907235), (115, 702121), (161, 501515), (245, 329567), (343, 235405), (445, 181447), (529, 152635), (623, 129605), (805, 100303), (1127, 71645), (1715, 47081), (2047, 39445), (2645, 30527), (3115, 25921), (3703, 21805), (4361, 18515), (5635, 14329), (7889, 10235)]