68145525

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{883}}^1$

素因数の和:920

約数の個数: 72

約数和(自身を含む): 142500800

約数和(自身を除く): 74355275

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 441, 525, 735, 883, 1029, 1225, 1575, 1715, 2205, 2649, 3087, 3675, 4415, 5145, 6181, 7947, 8575, 11025, 13245, 15435, 18543, 22075, 25725, 30905, 39735, 43267, 55629, 66225, 77175, 92715, 129801, 154525, 198675, 216335, 278145, 302869, 389403, 463575, 649005, 908607, 1081675, 1390725, 1514345, 1947015, 2725821, 3245025, 4543035, 7571725, 9735075, 13629105, 22715175, 68145525]

約数ペア:

[(1, 68145525), (3, 22715175), (5, 13629105), (7, 9735075), (9, 7571725), (15, 4543035), (21, 3245025), (25, 2725821), (35, 1947015), (45, 1514345), (49, 1390725), (63, 1081675), (75, 908607), (105, 649005), (147, 463575), (175, 389403), (225, 302869), (245, 278145), (315, 216335), (343, 198675), (441, 154525), (525, 129801), (735, 92715), (883, 77175), (1029, 66225), (1225, 55629), (1575, 43267), (1715, 39735), (2205, 30905), (2649, 25725), (3087, 22075), (3675, 18543), (4415, 15435), (5145, 13245), (6181, 11025), (7947, 8575)]