68251005

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 135489024

約数和(自身を除く): 67238019

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 207, 255, 345, 391, 405, 431, 459, 621, 765, 1035, 1173, 1293, 1377, 1863, 1955, 2155, 2295, 3105, 3519, 3879, 5865, 6465, 6885, 7327, 9315, 9913, 10557, 11637, 17595, 19395, 21981, 29739, 31671, 34911, 36635, 49565, 52785, 58185, 65943, 89217, 109905, 148695, 158355, 168521, 174555, 197829, 267651, 329715, 446085, 505563, 593487, 802953, 842605, 989145, 1338255, 1516689, 2527815, 2967435, 4014765, 4550067, 7583445, 13650201, 22750335, 68251005]

約数ペア:

[(1, 68251005), (3, 22750335), (5, 13650201), (9, 7583445), (15, 4550067), (17, 4014765), (23, 2967435), (27, 2527815), (45, 1516689), (51, 1338255), (69, 989145), (81, 842605), (85, 802953), (115, 593487), (135, 505563), (153, 446085), (207, 329715), (255, 267651), (345, 197829), (391, 174555), (405, 168521), (431, 158355), (459, 148695), (621, 109905), (765, 89217), (1035, 65943), (1173, 58185), (1293, 52785), (1377, 49565), (1863, 36635), (1955, 34911), (2155, 31671), (2295, 29739), (3105, 21981), (3519, 19395), (3879, 17595), (5865, 11637), (6465, 10557), (6885, 9913), (7327, 9315)]