261609216

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 768216960

約数和(自身を除く): 506607744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 173, 176, 179, 192, 256, 264, 346, 352, 358, 384, 519, 528, 537, 692, 704, 716, 768, 1038, 1056, 1074, 1384, 1408, 1432, 1903, 1969, 2076, 2112, 2148, 2768, 2816, 2864, 3806, 3938, 4152, 4224, 4296, 5536, 5709, 5728, 5907, 7612, 7876, 8304, 8448, 8592, 11072, 11418, 11456, 11814, 15224, 15752, 16608, 17184, 22144, 22836, 22912, 23628, 30448, 30967, 31504, 33216, 34368, 44288, 45672, 45824, 47256, 60896, 61934, 63008, 66432, 68736, 91344, 92901, 94512, 121792, 123868, 126016, 132864, 137472, 182688, 185802, 189024, 243584, 247736, 252032, 340637, 365376, 371604, 378048, 487168, 495472, 504064, 681274, 730752, 743208, 756096, 990944, 1021911, 1362548, 1461504, 1486416, 1512192, 1981888, 2043822, 2725096, 2972832, 3963776, 4087644, 5450192, 5945664, 7927552, 8175288, 10900384, 11891328, 16350576, 21800768, 23782656, 32701152, 43601536, 65402304, 87203072, 130804608, 261609216]

約数ペア:

[(1, 261609216), (2, 130804608), (3, 87203072), (4, 65402304), (6, 43601536), (8, 32701152), (11, 23782656), (12, 21800768), (16, 16350576), (22, 11891328), (24, 10900384), (32, 8175288), (33, 7927552), (44, 5945664), (48, 5450192), (64, 4087644), (66, 3963776), (88, 2972832), (96, 2725096), (128, 2043822), (132, 1981888), (173, 1512192), (176, 1486416), (179, 1461504), (192, 1362548), (256, 1021911), (264, 990944), (346, 756096), (352, 743208), (358, 730752), (384, 681274), (519, 504064), (528, 495472), (537, 487168), (692, 378048), (704, 371604), (716, 365376), (768, 340637), (1038, 252032), (1056, 247736), (1074, 243584), (1384, 189024), (1408, 185802), (1432, 182688), (1903, 137472), (1969, 132864), (2076, 126016), (2112, 123868), (2148, 121792), (2768, 94512), (2816, 92901), (2864, 91344), (3806, 68736), (3938, 66432), (4152, 63008), (4224, 61934), (4296, 60896), (5536, 47256), (5709, 45824), (5728, 45672), (5907, 44288), (7612, 34368), (7876, 33216), (8304, 31504), (8448, 30967), (8592, 30448), (11072, 23628), (11418, 22912), (11456, 22836), (11814, 22144), (15224, 17184), (15752, 16608)]