78987168

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 216

約数和(自身を含む): 260484588

約数和(自身を除く): 181497420

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 73, 78, 96, 102, 104, 117, 136, 144, 146, 153, 156, 204, 208, 219, 221, 234, 272, 288, 289, 292, 306, 312, 408, 416, 438, 442, 468, 544, 578, 584, 612, 624, 657, 663, 816, 867, 876, 884, 936, 949, 1156, 1168, 1224, 1241, 1248, 1314, 1326, 1632, 1734, 1752, 1768, 1872, 1898, 1989, 2312, 2336, 2448, 2482, 2601, 2628, 2652, 2847, 3468, 3504, 3536, 3723, 3744, 3757, 3796, 3978, 4624, 4896, 4964, 5202, 5256, 5304, 5694, 6936, 7008, 7072, 7446, 7514, 7592, 7956, 8541, 9248, 9928, 10404, 10512, 10608, 11169, 11271, 11388, 13872, 14892, 15028, 15184, 15912, 16133, 17082, 19856, 20808, 21024, 21097, 21216, 22338, 22542, 22776, 27744, 29784, 30056, 30368, 31824, 32266, 33813, 34164, 39712, 41616, 42194, 44676, 45084, 45552, 48399, 59568, 60112, 63291, 63648, 64532, 67626, 68328, 83232, 84388, 89352, 90168, 91104, 96798, 119136, 120224, 126582, 129064, 135252, 136656, 145197, 168776, 178704, 180336, 189873, 193596, 253164, 258128, 270504, 273312, 274261, 290394, 337552, 357408, 360672, 379746, 387192, 506328, 516256, 541008, 548522, 580788, 675104, 759492, 774384, 822783, 1012656, 1082016, 1097044, 1161576, 1518984, 1548768, 1645566, 2025312, 2194088, 2323152, 2468349, 3037968, 3291132, 4388176, 4646304, 4936698, 6075936, 6582264, 8776352, 9873396, 13164528, 19746792, 26329056, 39493584, 78987168]

約数ペア:

[(1, 78987168), (2, 39493584), (3, 26329056), (4, 19746792), (6, 13164528), (8, 9873396), (9, 8776352), (12, 6582264), (13, 6075936), (16, 4936698), (17, 4646304), (18, 4388176), (24, 3291132), (26, 3037968), (32, 2468349), (34, 2323152), (36, 2194088), (39, 2025312), (48, 1645566), (51, 1548768), (52, 1518984), (68, 1161576), (72, 1097044), (73, 1082016), (78, 1012656), (96, 822783), (102, 774384), (104, 759492), (117, 675104), (136, 580788), (144, 548522), (146, 541008), (153, 516256), (156, 506328), (204, 387192), (208, 379746), (219, 360672), (221, 357408), (234, 337552), (272, 290394), (288, 274261), (289, 273312), (292, 270504), (306, 258128), (312, 253164), (408, 193596), (416, 189873), (438, 180336), (442, 178704), (468, 168776), (544, 145197), (578, 136656), (584, 135252), (612, 129064), (624, 126582), (657, 120224), (663, 119136), (816, 96798), (867, 91104), (876, 90168), (884, 89352), (936, 84388), (949, 83232), (1156, 68328), (1168, 67626), (1224, 64532), (1241, 63648), (1248, 63291), (1314, 60112), (1326, 59568), (1632, 48399), (1734, 45552), (1752, 45084), (1768, 44676), (1872, 42194), (1898, 41616), (1989, 39712), (2312, 34164), (2336, 33813), (2448, 32266), (2482, 31824), (2601, 30368), (2628, 30056), (2652, 29784), (2847, 27744), (3468, 22776), (3504, 22542), (3536, 22338), (3723, 21216), (3744, 21097), (3757, 21024), (3796, 20808), (3978, 19856), (4624, 17082), (4896, 16133), (4964, 15912), (5202, 15184), (5256, 15028), (5304, 14892), (5694, 13872), (6936, 11388), (7008, 11271), (7072, 11169), (7446, 10608), (7514, 10512), (7592, 10404), (7956, 9928), (8541, 9248)]