161994870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1279

約数の個数: 128

約数和(自身を含む): 473558400

約数和(自身を除く): 311563530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 29, 30, 34, 45, 51, 54, 58, 85, 87, 90, 102, 135, 145, 153, 170, 174, 255, 261, 270, 290, 306, 435, 459, 493, 510, 522, 765, 783, 870, 918, 986, 1217, 1305, 1479, 1530, 1566, 2295, 2434, 2465, 2610, 2958, 3651, 3915, 4437, 4590, 4930, 6085, 7302, 7395, 7830, 8874, 10953, 12170, 13311, 14790, 18255, 20689, 21906, 22185, 26622, 32859, 35293, 36510, 41378, 44370, 54765, 62067, 65718, 66555, 70586, 103445, 105879, 109530, 124134, 133110, 164295, 176465, 186201, 206890, 211758, 310335, 317637, 328590, 352930, 372402, 529395, 558603, 599981, 620670, 635274, 931005, 952911, 1058790, 1117206, 1199962, 1588185, 1799943, 1862010, 1905822, 2793015, 2999905, 3176370, 3599886, 4764555, 5399829, 5586030, 5999810, 8999715, 9529110, 10799658, 16199487, 17999430, 26999145, 32398974, 53998290, 80997435, 161994870]

約数ペア:

[(1, 161994870), (2, 80997435), (3, 53998290), (5, 32398974), (6, 26999145), (9, 17999430), (10, 16199487), (15, 10799658), (17, 9529110), (18, 8999715), (27, 5999810), (29, 5586030), (30, 5399829), (34, 4764555), (45, 3599886), (51, 3176370), (54, 2999905), (58, 2793015), (85, 1905822), (87, 1862010), (90, 1799943), (102, 1588185), (135, 1199962), (145, 1117206), (153, 1058790), (170, 952911), (174, 931005), (255, 635274), (261, 620670), (270, 599981), (290, 558603), (306, 529395), (435, 372402), (459, 352930), (493, 328590), (510, 317637), (522, 310335), (765, 211758), (783, 206890), (870, 186201), (918, 176465), (986, 164295), (1217, 133110), (1305, 124134), (1479, 109530), (1530, 105879), (1566, 103445), (2295, 70586), (2434, 66555), (2465, 65718), (2610, 62067), (2958, 54765), (3651, 44370), (3915, 41378), (4437, 36510), (4590, 35293), (4930, 32859), (6085, 26622), (7302, 22185), (7395, 21906), (7830, 20689), (8874, 18255), (10953, 14790), (12170, 13311)]