81945216

素因数分解:

$2^7\times 3^3\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 245044800

約数和(自身を除く): 163099584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 131, 144, 181, 192, 216, 262, 288, 362, 384, 393, 432, 524, 543, 576, 724, 786, 864, 1048, 1086, 1152, 1179, 1448, 1572, 1629, 1728, 2096, 2172, 2358, 2896, 3144, 3258, 3456, 3537, 4192, 4344, 4716, 4887, 5792, 6288, 6516, 7074, 8384, 8688, 9432, 9774, 11584, 12576, 13032, 14148, 16768, 17376, 18864, 19548, 23168, 23711, 25152, 26064, 28296, 34752, 37728, 39096, 47422, 50304, 52128, 56592, 69504, 71133, 75456, 78192, 94844, 104256, 113184, 142266, 150912, 156384, 189688, 208512, 213399, 226368, 284532, 312768, 379376, 426798, 452736, 569064, 625536, 640197, 758752, 853596, 1138128, 1280394, 1517504, 1707192, 2276256, 2560788, 3035008, 3414384, 4552512, 5121576, 6828768, 9105024, 10243152, 13657536, 20486304, 27315072, 40972608, 81945216]

約数ペア:

[(1, 81945216), (2, 40972608), (3, 27315072), (4, 20486304), (6, 13657536), (8, 10243152), (9, 9105024), (12, 6828768), (16, 5121576), (18, 4552512), (24, 3414384), (27, 3035008), (32, 2560788), (36, 2276256), (48, 1707192), (54, 1517504), (64, 1280394), (72, 1138128), (96, 853596), (108, 758752), (128, 640197), (131, 625536), (144, 569064), (181, 452736), (192, 426798), (216, 379376), (262, 312768), (288, 284532), (362, 226368), (384, 213399), (393, 208512), (432, 189688), (524, 156384), (543, 150912), (576, 142266), (724, 113184), (786, 104256), (864, 94844), (1048, 78192), (1086, 75456), (1152, 71133), (1179, 69504), (1448, 56592), (1572, 52128), (1629, 50304), (1728, 47422), (2096, 39096), (2172, 37728), (2358, 34752), (2896, 28296), (3144, 26064), (3258, 25152), (3456, 23711), (3537, 23168), (4192, 19548), (4344, 18864), (4716, 17376), (4887, 16768), (5792, 14148), (6288, 13032), (6516, 12576), (7074, 11584), (8384, 9774), (8688, 9432)]