161105904

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 471219840

約数和(自身を除く): 310113936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 173, 174, 223, 232, 261, 346, 348, 446, 464, 519, 522, 669, 692, 696, 892, 1038, 1044, 1338, 1384, 1392, 1557, 1784, 2007, 2076, 2088, 2676, 2768, 3114, 3568, 4014, 4152, 4176, 5017, 5352, 6228, 6467, 8028, 8304, 10034, 10704, 12456, 12934, 15051, 16056, 19401, 20068, 24912, 25868, 30102, 32112, 38579, 38802, 40136, 45153, 51736, 58203, 60204, 77158, 77604, 80272, 90306, 103472, 115737, 116406, 120408, 154316, 155208, 180612, 231474, 232812, 240816, 308632, 310416, 347211, 361224, 462948, 465624, 617264, 694422, 722448, 925896, 931248, 1118791, 1388844, 1851792, 2237582, 2777688, 3356373, 4475164, 5555376, 6712746, 8950328, 10069119, 13425492, 17900656, 20138238, 26850984, 40276476, 53701968, 80552952, 161105904]

約数ペア:

[(1, 161105904), (2, 80552952), (3, 53701968), (4, 40276476), (6, 26850984), (8, 20138238), (9, 17900656), (12, 13425492), (16, 10069119), (18, 8950328), (24, 6712746), (29, 5555376), (36, 4475164), (48, 3356373), (58, 2777688), (72, 2237582), (87, 1851792), (116, 1388844), (144, 1118791), (173, 931248), (174, 925896), (223, 722448), (232, 694422), (261, 617264), (346, 465624), (348, 462948), (446, 361224), (464, 347211), (519, 310416), (522, 308632), (669, 240816), (692, 232812), (696, 231474), (892, 180612), (1038, 155208), (1044, 154316), (1338, 120408), (1384, 116406), (1392, 115737), (1557, 103472), (1784, 90306), (2007, 80272), (2076, 77604), (2088, 77158), (2676, 60204), (2768, 58203), (3114, 51736), (3568, 45153), (4014, 40136), (4152, 38802), (4176, 38579), (5017, 32112), (5352, 30102), (6228, 25868), (6467, 24912), (8028, 20068), (8304, 19401), (10034, 16056), (10704, 15051), (12456, 12934)]