81889830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 234063648

約数和(自身を除く): 152173818

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 181, 198, 330, 362, 457, 495, 543, 905, 914, 990, 1086, 1371, 1629, 1810, 1991, 2285, 2715, 2742, 3258, 3982, 4113, 4570, 5027, 5430, 5973, 6855, 8145, 8226, 9955, 10054, 11946, 13710, 15081, 16290, 17919, 19910, 20565, 25135, 29865, 30162, 35838, 41130, 45243, 50270, 59730, 75405, 82717, 89595, 90486, 150810, 165434, 179190, 226215, 248151, 413585, 452430, 496302, 744453, 827170, 909887, 1240755, 1488906, 1819774, 2481510, 2729661, 3722265, 4549435, 5459322, 7444530, 8188983, 9098870, 13648305, 16377966, 27296610, 40944915, 81889830]

約数ペア:

[(1, 81889830), (2, 40944915), (3, 27296610), (5, 16377966), (6, 13648305), (9, 9098870), (10, 8188983), (11, 7444530), (15, 5459322), (18, 4549435), (22, 3722265), (30, 2729661), (33, 2481510), (45, 1819774), (55, 1488906), (66, 1240755), (90, 909887), (99, 827170), (110, 744453), (165, 496302), (181, 452430), (198, 413585), (330, 248151), (362, 226215), (457, 179190), (495, 165434), (543, 150810), (905, 90486), (914, 89595), (990, 82717), (1086, 75405), (1371, 59730), (1629, 50270), (1810, 45243), (1991, 41130), (2285, 35838), (2715, 30162), (2742, 29865), (3258, 25135), (3982, 20565), (4113, 19910), (4570, 17919), (5027, 16290), (5430, 15081), (5973, 13710), (6855, 11946), (8145, 10054), (8226, 9955)]