81985176

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 256

約数和(自身を含む): 289766400

約数和(自身を除く): 207781224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 43, 52, 54, 56, 63, 72, 78, 84, 86, 91, 97, 104, 108, 117, 126, 129, 156, 168, 172, 182, 189, 194, 216, 234, 252, 258, 273, 291, 301, 312, 344, 351, 364, 378, 387, 388, 468, 504, 516, 546, 559, 582, 602, 679, 702, 728, 756, 774, 776, 819, 873, 903, 936, 1032, 1092, 1118, 1161, 1164, 1204, 1261, 1358, 1404, 1512, 1548, 1638, 1677, 1746, 1806, 2037, 2184, 2236, 2322, 2328, 2408, 2457, 2522, 2619, 2709, 2716, 2808, 3096, 3276, 3354, 3492, 3612, 3783, 3913, 4074, 4171, 4472, 4644, 4914, 5031, 5044, 5238, 5418, 5432, 6111, 6552, 6708, 6984, 7224, 7566, 7826, 8127, 8148, 8342, 8827, 9288, 9828, 10062, 10088, 10476, 10836, 11349, 11739, 12222, 12513, 13416, 15093, 15132, 15652, 16254, 16296, 16684, 17654, 18333, 19656, 20124, 20952, 21672, 22698, 23478, 24444, 25026, 26481, 29197, 30186, 30264, 31304, 32508, 33368, 34047, 35217, 35308, 36666, 37539, 40248, 45396, 46956, 48888, 50052, 52962, 54223, 58394, 60372, 65016, 68094, 70434, 70616, 73332, 75078, 79443, 87591, 90792, 93912, 100104, 105651, 105924, 108446, 112617, 116788, 120744, 136188, 140868, 146664, 150156, 158886, 162669, 175182, 211302, 211848, 216892, 225234, 233576, 238329, 262773, 272376, 281736, 300312, 317772, 325338, 350364, 379561, 422604, 433784, 450468, 476658, 488007, 525546, 635544, 650676, 700728, 759122, 788319, 845208, 900936, 953316, 976014, 1051092, 1138683, 1301352, 1464021, 1518244, 1576638, 1906632, 1952028, 2102184, 2277366, 2928042, 3036488, 3153276, 3416049, 3904056, 4554732, 5856084, 6306552, 6832098, 9109464, 10248147, 11712168, 13664196, 20496294, 27328392, 40992588, 81985176]

約数ペア:

[(1, 81985176), (2, 40992588), (3, 27328392), (4, 20496294), (6, 13664196), (7, 11712168), (8, 10248147), (9, 9109464), (12, 6832098), (13, 6306552), (14, 5856084), (18, 4554732), (21, 3904056), (24, 3416049), (26, 3153276), (27, 3036488), (28, 2928042), (36, 2277366), (39, 2102184), (42, 1952028), (43, 1906632), (52, 1576638), (54, 1518244), (56, 1464021), (63, 1301352), (72, 1138683), (78, 1051092), (84, 976014), (86, 953316), (91, 900936), (97, 845208), (104, 788319), (108, 759122), (117, 700728), (126, 650676), (129, 635544), (156, 525546), (168, 488007), (172, 476658), (182, 450468), (189, 433784), (194, 422604), (216, 379561), (234, 350364), (252, 325338), (258, 317772), (273, 300312), (291, 281736), (301, 272376), (312, 262773), (344, 238329), (351, 233576), (364, 225234), (378, 216892), (387, 211848), (388, 211302), (468, 175182), (504, 162669), (516, 158886), (546, 150156), (559, 146664), (582, 140868), (602, 136188), (679, 120744), (702, 116788), (728, 112617), (756, 108446), (774, 105924), (776, 105651), (819, 100104), (873, 93912), (903, 90792), (936, 87591), (1032, 79443), (1092, 75078), (1118, 73332), (1161, 70616), (1164, 70434), (1204, 68094), (1261, 65016), (1358, 60372), (1404, 58394), (1512, 54223), (1548, 52962), (1638, 50052), (1677, 48888), (1746, 46956), (1806, 45396), (2037, 40248), (2184, 37539), (2236, 36666), (2322, 35308), (2328, 35217), (2408, 34047), (2457, 33368), (2522, 32508), (2619, 31304), (2709, 30264), (2716, 30186), (2808, 29197), (3096, 26481), (3276, 25026), (3354, 24444), (3492, 23478), (3612, 22698), (3783, 21672), (3913, 20952), (4074, 20124), (4171, 19656), (4472, 18333), (4644, 17654), (4914, 16684), (5031, 16296), (5044, 16254), (5238, 15652), (5418, 15132), (5432, 15093), (6111, 13416), (6552, 12513), (6708, 12222), (6984, 11739), (7224, 11349), (7566, 10836), (7826, 10476), (8127, 10088), (8148, 10062), (8342, 9828), (8827, 9288)]