261165312

素因数分解:

$2^8\times 3^2\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:716

約数の個数: 108

約数和(自身を含む): 757620864

約数和(自身を除く): 496455552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 263, 288, 384, 431, 526, 576, 768, 789, 862, 1052, 1152, 1293, 1578, 1724, 2104, 2304, 2367, 2586, 3156, 3448, 3879, 4208, 4734, 5172, 6312, 6896, 7758, 8416, 9468, 10344, 12624, 13792, 15516, 16832, 18936, 20688, 25248, 27584, 31032, 33664, 37872, 41376, 50496, 55168, 62064, 67328, 75744, 82752, 100992, 110336, 113353, 124128, 151488, 165504, 201984, 226706, 248256, 302976, 331008, 340059, 453412, 496512, 605952, 680118, 906824, 993024, 1020177, 1360236, 1813648, 2040354, 2720472, 3627296, 4080708, 5440944, 7254592, 8161416, 10881888, 14509184, 16322832, 21763776, 29018368, 32645664, 43527552, 65291328, 87055104, 130582656, 261165312]

約数ペア:

[(1, 261165312), (2, 130582656), (3, 87055104), (4, 65291328), (6, 43527552), (8, 32645664), (9, 29018368), (12, 21763776), (16, 16322832), (18, 14509184), (24, 10881888), (32, 8161416), (36, 7254592), (48, 5440944), (64, 4080708), (72, 3627296), (96, 2720472), (128, 2040354), (144, 1813648), (192, 1360236), (256, 1020177), (263, 993024), (288, 906824), (384, 680118), (431, 605952), (526, 496512), (576, 453412), (768, 340059), (789, 331008), (862, 302976), (1052, 248256), (1152, 226706), (1293, 201984), (1578, 165504), (1724, 151488), (2104, 124128), (2304, 113353), (2367, 110336), (2586, 100992), (3156, 82752), (3448, 75744), (3879, 67328), (4208, 62064), (4734, 55168), (5172, 50496), (6312, 41376), (6896, 37872), (7758, 33664), (8416, 31032), (9468, 27584), (10344, 25248), (12624, 20688), (13792, 18936), (15516, 16832)]