81308448

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 240

約数和(自身を含む): 273208320

約数和(自身を除く): 191899872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 96, 104, 108, 114, 117, 127, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 254, 288, 304, 312, 324, 342, 351, 381, 416, 432, 456, 468, 494, 508, 513, 608, 624, 648, 684, 702, 741, 762, 864, 912, 936, 988, 1016, 1026, 1053, 1143, 1248, 1296, 1368, 1404, 1482, 1524, 1539, 1651, 1824, 1872, 1976, 2032, 2052, 2106, 2223, 2286, 2413, 2592, 2736, 2808, 2964, 3048, 3078, 3302, 3429, 3744, 3952, 4064, 4104, 4212, 4446, 4572, 4826, 4953, 5472, 5616, 5928, 6096, 6156, 6604, 6669, 6858, 7239, 7904, 8208, 8424, 8892, 9144, 9652, 9906, 10287, 11232, 11856, 12192, 12312, 13208, 13338, 13716, 14478, 14859, 16416, 16848, 17784, 18288, 19304, 19812, 20007, 20574, 21717, 23712, 24624, 26416, 26676, 27432, 28956, 29718, 31369, 33696, 35568, 36576, 38608, 39624, 40014, 41148, 43434, 44577, 49248, 52832, 53352, 54864, 57912, 59436, 62738, 65151, 71136, 77216, 79248, 80028, 82296, 86868, 89154, 94107, 106704, 109728, 115824, 118872, 125476, 130302, 133731, 158496, 160056, 164592, 173736, 178308, 188214, 195453, 213408, 231648, 237744, 250952, 260604, 267462, 282321, 320112, 329184, 347472, 356616, 376428, 390906, 475488, 501904, 521208, 534924, 564642, 640224, 694944, 713232, 752856, 781812, 846963, 1003808, 1042416, 1069848, 1129284, 1426464, 1505712, 1563624, 1693926, 2084832, 2139696, 2258568, 2540889, 3011424, 3127248, 3387852, 4279392, 4517136, 5081778, 6254496, 6775704, 9034272, 10163556, 13551408, 20327112, 27102816, 40654224, 81308448]

約数ペア:

[(1, 81308448), (2, 40654224), (3, 27102816), (4, 20327112), (6, 13551408), (8, 10163556), (9, 9034272), (12, 6775704), (13, 6254496), (16, 5081778), (18, 4517136), (19, 4279392), (24, 3387852), (26, 3127248), (27, 3011424), (32, 2540889), (36, 2258568), (38, 2139696), (39, 2084832), (48, 1693926), (52, 1563624), (54, 1505712), (57, 1426464), (72, 1129284), (76, 1069848), (78, 1042416), (81, 1003808), (96, 846963), (104, 781812), (108, 752856), (114, 713232), (117, 694944), (127, 640224), (144, 564642), (152, 534924), (156, 521208), (162, 501904), (171, 475488), (208, 390906), (216, 376428), (228, 356616), (234, 347472), (247, 329184), (254, 320112), (288, 282321), (304, 267462), (312, 260604), (324, 250952), (342, 237744), (351, 231648), (381, 213408), (416, 195453), (432, 188214), (456, 178308), (468, 173736), (494, 164592), (508, 160056), (513, 158496), (608, 133731), (624, 130302), (648, 125476), (684, 118872), (702, 115824), (741, 109728), (762, 106704), (864, 94107), (912, 89154), (936, 86868), (988, 82296), (1016, 80028), (1026, 79248), (1053, 77216), (1143, 71136), (1248, 65151), (1296, 62738), (1368, 59436), (1404, 57912), (1482, 54864), (1524, 53352), (1539, 52832), (1651, 49248), (1824, 44577), (1872, 43434), (1976, 41148), (2032, 40014), (2052, 39624), (2106, 38608), (2223, 36576), (2286, 35568), (2413, 33696), (2592, 31369), (2736, 29718), (2808, 28956), (2964, 27432), (3048, 26676), (3078, 26416), (3302, 24624), (3429, 23712), (3744, 21717), (3952, 20574), (4064, 20007), (4104, 19812), (4212, 19304), (4446, 18288), (4572, 17784), (4826, 16848), (4953, 16416), (5472, 14859), (5616, 14478), (5928, 13716), (6096, 13338), (6156, 13208), (6604, 12312), (6669, 12192), (6858, 11856), (7239, 11232), (7904, 10287), (8208, 9906), (8424, 9652), (8892, 9144)]