81765648

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 120

約数和(自身を含む): 245127168

約数和(自身を除く): 163361520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 127, 136, 144, 153, 204, 254, 263, 272, 306, 381, 408, 508, 526, 612, 762, 789, 816, 1016, 1052, 1143, 1224, 1524, 1578, 2032, 2104, 2159, 2286, 2367, 2448, 3048, 3156, 4208, 4318, 4471, 4572, 4734, 6096, 6312, 6477, 8636, 8942, 9144, 9468, 12624, 12954, 13413, 17272, 17884, 18288, 18936, 19431, 25908, 26826, 33401, 34544, 35768, 37872, 38862, 40239, 51816, 53652, 66802, 71536, 77724, 80478, 100203, 103632, 107304, 133604, 155448, 160956, 200406, 214608, 267208, 300609, 310896, 321912, 400812, 534416, 567817, 601218, 643824, 801624, 1135634, 1202436, 1603248, 1703451, 2271268, 2404872, 3406902, 4542536, 4809744, 5110353, 6813804, 9085072, 10220706, 13627608, 20441412, 27255216, 40882824, 81765648]

約数ペア:

[(1, 81765648), (2, 40882824), (3, 27255216), (4, 20441412), (6, 13627608), (8, 10220706), (9, 9085072), (12, 6813804), (16, 5110353), (17, 4809744), (18, 4542536), (24, 3406902), (34, 2404872), (36, 2271268), (48, 1703451), (51, 1603248), (68, 1202436), (72, 1135634), (102, 801624), (127, 643824), (136, 601218), (144, 567817), (153, 534416), (204, 400812), (254, 321912), (263, 310896), (272, 300609), (306, 267208), (381, 214608), (408, 200406), (508, 160956), (526, 155448), (612, 133604), (762, 107304), (789, 103632), (816, 100203), (1016, 80478), (1052, 77724), (1143, 71536), (1224, 66802), (1524, 53652), (1578, 51816), (2032, 40239), (2104, 38862), (2159, 37872), (2286, 35768), (2367, 34544), (2448, 33401), (3048, 26826), (3156, 25908), (4208, 19431), (4318, 18936), (4471, 18288), (4572, 17884), (4734, 17272), (6096, 13413), (6312, 12954), (6477, 12624), (8636, 9468), (8942, 9144)]