261051696

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 751978656

約数和(自身を除く): 490926960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 113, 122, 144, 183, 226, 244, 263, 339, 366, 452, 488, 526, 549, 678, 732, 789, 904, 976, 1017, 1052, 1098, 1356, 1464, 1578, 1808, 2034, 2104, 2196, 2367, 2712, 2928, 3156, 4068, 4208, 4392, 4734, 5424, 6312, 6893, 8136, 8784, 9468, 12624, 13786, 16043, 16272, 18936, 20679, 27572, 29719, 32086, 37872, 41358, 48129, 55144, 59438, 62037, 64172, 82716, 89157, 96258, 110288, 118876, 124074, 128344, 144387, 165432, 178314, 192516, 237752, 248148, 256688, 267471, 288774, 330864, 356628, 385032, 475504, 496296, 534942, 577548, 713256, 770064, 992592, 1069884, 1155096, 1426512, 1812859, 2139768, 2310192, 3625718, 4279536, 5438577, 7251436, 10877154, 14502872, 16315731, 21754308, 29005744, 32631462, 43508616, 65262924, 87017232, 130525848, 261051696]

約数ペア:

[(1, 261051696), (2, 130525848), (3, 87017232), (4, 65262924), (6, 43508616), (8, 32631462), (9, 29005744), (12, 21754308), (16, 16315731), (18, 14502872), (24, 10877154), (36, 7251436), (48, 5438577), (61, 4279536), (72, 3625718), (113, 2310192), (122, 2139768), (144, 1812859), (183, 1426512), (226, 1155096), (244, 1069884), (263, 992592), (339, 770064), (366, 713256), (452, 577548), (488, 534942), (526, 496296), (549, 475504), (678, 385032), (732, 356628), (789, 330864), (904, 288774), (976, 267471), (1017, 256688), (1052, 248148), (1098, 237752), (1356, 192516), (1464, 178314), (1578, 165432), (1808, 144387), (2034, 128344), (2104, 124074), (2196, 118876), (2367, 110288), (2712, 96258), (2928, 89157), (3156, 82716), (4068, 64172), (4208, 62037), (4392, 59438), (4734, 55144), (5424, 48129), (6312, 41358), (6893, 37872), (8136, 32086), (8784, 29719), (9468, 27572), (12624, 20679), (13786, 18936), (16043, 16272)]