81360888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 167471112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 71, 76, 84, 114, 133, 142, 152, 168, 213, 228, 266, 284, 359, 399, 426, 456, 497, 532, 568, 718, 798, 852, 994, 1064, 1077, 1349, 1436, 1491, 1596, 1704, 1988, 2154, 2513, 2698, 2872, 2982, 3192, 3976, 4047, 4308, 5026, 5396, 5964, 6821, 7539, 8094, 8616, 9443, 10052, 10792, 11928, 13642, 15078, 16188, 18886, 20104, 20463, 25489, 27284, 28329, 30156, 32376, 37772, 40926, 47747, 50978, 54568, 56658, 60312, 75544, 76467, 81852, 95494, 101956, 113316, 143241, 152934, 163704, 178423, 190988, 203912, 226632, 286482, 305868, 356846, 381976, 484291, 535269, 572964, 611736, 713692, 968582, 1070538, 1145928, 1427384, 1452873, 1937164, 2141076, 2905746, 3390037, 3874328, 4282152, 5811492, 6780074, 10170111, 11622984, 13560148, 20340222, 27120296, 40680444, 81360888]

約数ペア:

[(1, 81360888), (2, 40680444), (3, 27120296), (4, 20340222), (6, 13560148), (7, 11622984), (8, 10170111), (12, 6780074), (14, 5811492), (19, 4282152), (21, 3874328), (24, 3390037), (28, 2905746), (38, 2141076), (42, 1937164), (56, 1452873), (57, 1427384), (71, 1145928), (76, 1070538), (84, 968582), (114, 713692), (133, 611736), (142, 572964), (152, 535269), (168, 484291), (213, 381976), (228, 356846), (266, 305868), (284, 286482), (359, 226632), (399, 203912), (426, 190988), (456, 178423), (497, 163704), (532, 152934), (568, 143241), (718, 113316), (798, 101956), (852, 95494), (994, 81852), (1064, 76467), (1077, 75544), (1349, 60312), (1436, 56658), (1491, 54568), (1596, 50978), (1704, 47747), (1988, 40926), (2154, 37772), (2513, 32376), (2698, 30156), (2872, 28329), (2982, 27284), (3192, 25489), (3976, 20463), (4047, 20104), (4308, 18886), (5026, 16188), (5396, 15078), (5964, 13642), (6821, 11928), (7539, 10792), (8094, 10052), (8616, 9443)]