81554256

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 160

約数和(自身を含む): 270816000

約数和(自身を除く): 189261744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 149, 168, 181, 189, 216, 252, 298, 336, 362, 378, 432, 447, 504, 543, 596, 724, 756, 894, 1008, 1043, 1086, 1192, 1267, 1341, 1448, 1512, 1629, 1788, 2086, 2172, 2384, 2534, 2682, 2896, 3024, 3129, 3258, 3576, 3801, 4023, 4172, 4344, 4887, 5068, 5364, 6258, 6516, 7152, 7602, 8046, 8344, 8688, 9387, 9774, 10136, 10728, 11403, 12516, 13032, 15204, 16092, 16688, 18774, 19548, 20272, 21456, 22806, 25032, 26064, 26969, 28161, 30408, 32184, 34209, 37548, 39096, 45612, 50064, 53938, 56322, 60816, 64368, 68418, 75096, 78192, 80907, 91224, 107876, 112644, 136836, 150192, 161814, 182448, 188783, 215752, 225288, 242721, 273672, 323628, 377566, 431504, 450576, 485442, 547344, 566349, 647256, 728163, 755132, 970884, 1132698, 1294512, 1456326, 1510264, 1699047, 1941768, 2265396, 2912652, 3020528, 3398094, 3883536, 4530792, 5097141, 5825304, 6796188, 9061584, 10194282, 11650608, 13592376, 20388564, 27184752, 40777128, 81554256]

約数ペア:

[(1, 81554256), (2, 40777128), (3, 27184752), (4, 20388564), (6, 13592376), (7, 11650608), (8, 10194282), (9, 9061584), (12, 6796188), (14, 5825304), (16, 5097141), (18, 4530792), (21, 3883536), (24, 3398094), (27, 3020528), (28, 2912652), (36, 2265396), (42, 1941768), (48, 1699047), (54, 1510264), (56, 1456326), (63, 1294512), (72, 1132698), (84, 970884), (108, 755132), (112, 728163), (126, 647256), (144, 566349), (149, 547344), (168, 485442), (181, 450576), (189, 431504), (216, 377566), (252, 323628), (298, 273672), (336, 242721), (362, 225288), (378, 215752), (432, 188783), (447, 182448), (504, 161814), (543, 150192), (596, 136836), (724, 112644), (756, 107876), (894, 91224), (1008, 80907), (1043, 78192), (1086, 75096), (1192, 68418), (1267, 64368), (1341, 60816), (1448, 56322), (1512, 53938), (1629, 50064), (1788, 45612), (2086, 39096), (2172, 37548), (2384, 34209), (2534, 32184), (2682, 30408), (2896, 28161), (3024, 26969), (3129, 26064), (3258, 25032), (3576, 22806), (3801, 21456), (4023, 20272), (4172, 19548), (4344, 18774), (4887, 16688), (5068, 16092), (5364, 15204), (6258, 13032), (6516, 12516), (7152, 11403), (7602, 10728), (8046, 10136), (8344, 9774), (8688, 9387)]