30815785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 20277719

約数列:

[1, 5, 7, 11, 13, 35, 47, 55, 65, 77, 91, 131, 143, 235, 329, 385, 455, 517, 611, 655, 715, 917, 1001, 1441, 1645, 1703, 2585, 3055, 3619, 4277, 4585, 5005, 6157, 6721, 7205, 8515, 10087, 11921, 18095, 18733, 21385, 30785, 33605, 43099, 47047, 50435, 59605, 67727, 80041, 93665, 131131, 215495, 235235, 338635, 400205, 474089, 560287, 655655, 880451, 2370445, 2801435, 4402255, 6163157, 30815785]

約数ペア:

[(1, 30815785), (5, 6163157), (7, 4402255), (11, 2801435), (13, 2370445), (35, 880451), (47, 655655), (55, 560287), (65, 474089), (77, 400205), (91, 338635), (131, 235235), (143, 215495), (235, 131131), (329, 93665), (385, 80041), (455, 67727), (517, 59605), (611, 50435), (655, 47047), (715, 43099), (917, 33605), (1001, 30785), (1441, 21385), (1645, 18733), (1703, 18095), (2585, 11921), (3055, 10087), (3619, 8515), (4277, 7205), (4585, 6721), (5005, 6157)]