81513264

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{4951}}^1$

素因数の和:4983

約数の個数: 80

約数和(自身を含む): 245619200

約数和(自身を除く): 164105936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 4951, 5488, 8232, 9902, 14853, 16464, 19804, 29706, 34657, 39608, 59412, 69314, 79216, 103971, 118824, 138628, 207942, 237648, 242599, 277256, 415884, 485198, 554512, 727797, 831768, 970396, 1455594, 1663536, 1698193, 1940792, 2911188, 3396386, 3881584, 5094579, 5822376, 6792772, 10189158, 11644752, 13585544, 20378316, 27171088, 40756632, 81513264]

約数ペア:

[(1, 81513264), (2, 40756632), (3, 27171088), (4, 20378316), (6, 13585544), (7, 11644752), (8, 10189158), (12, 6792772), (14, 5822376), (16, 5094579), (21, 3881584), (24, 3396386), (28, 2911188), (42, 1940792), (48, 1698193), (49, 1663536), (56, 1455594), (84, 970396), (98, 831768), (112, 727797), (147, 554512), (168, 485198), (196, 415884), (294, 277256), (336, 242599), (343, 237648), (392, 207942), (588, 138628), (686, 118824), (784, 103971), (1029, 79216), (1176, 69314), (1372, 59412), (2058, 39608), (2352, 34657), (2744, 29706), (4116, 19804), (4951, 16464), (5488, 14853), (8232, 9902)]