261214128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 919226880

約数和(自身を除く): 658012752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 23, 24, 28, 36, 38, 42, 46, 48, 56, 57, 63, 69, 72, 76, 84, 92, 112, 114, 126, 133, 138, 144, 152, 161, 168, 171, 184, 207, 228, 252, 266, 276, 304, 322, 336, 342, 368, 399, 414, 437, 456, 483, 504, 532, 552, 593, 644, 684, 798, 828, 874, 912, 966, 1008, 1064, 1104, 1186, 1197, 1288, 1311, 1368, 1449, 1596, 1656, 1748, 1779, 1932, 2128, 2372, 2394, 2576, 2622, 2736, 2898, 3059, 3192, 3312, 3496, 3558, 3864, 3933, 4151, 4744, 4788, 5244, 5337, 5796, 6118, 6384, 6992, 7116, 7728, 7866, 8302, 9177, 9488, 9576, 10488, 10674, 11267, 11592, 12236, 12453, 13639, 14232, 15732, 16604, 18354, 19152, 20976, 21348, 22534, 23184, 24472, 24906, 27278, 27531, 28464, 31464, 33208, 33801, 36708, 37359, 40917, 42696, 45068, 48944, 49812, 54556, 55062, 62928, 66416, 67602, 73416, 74718, 78869, 81834, 85392, 90136, 95473, 99624, 101403, 109112, 110124, 122751, 135204, 146832, 149436, 157738, 163668, 180272, 190946, 199248, 202806, 218224, 220248, 236607, 245502, 259141, 270408, 286419, 298872, 315476, 327336, 381892, 405612, 440496, 473214, 491004, 518282, 540816, 572838, 597744, 630952, 654672, 709821, 763784, 777423, 811224, 859257, 946428, 982008, 1036564, 1145676, 1261904, 1419642, 1527568, 1554846, 1622448, 1718514, 1813987, 1892856, 1964016, 2073128, 2291352, 2332269, 2839284, 3109692, 3437028, 3627974, 3785712, 4146256, 4582704, 4664538, 5441961, 5678568, 6219384, 6874056, 7255948, 9329076, 10883922, 11357136, 12438768, 13748112, 14511896, 16325883, 18658152, 21767844, 29023792, 32651766, 37316304, 43535688, 65303532, 87071376, 130607064, 261214128]

約数ペア:

[(1, 261214128), (2, 130607064), (3, 87071376), (4, 65303532), (6, 43535688), (7, 37316304), (8, 32651766), (9, 29023792), (12, 21767844), (14, 18658152), (16, 16325883), (18, 14511896), (19, 13748112), (21, 12438768), (23, 11357136), (24, 10883922), (28, 9329076), (36, 7255948), (38, 6874056), (42, 6219384), (46, 5678568), (48, 5441961), (56, 4664538), (57, 4582704), (63, 4146256), (69, 3785712), (72, 3627974), (76, 3437028), (84, 3109692), (92, 2839284), (112, 2332269), (114, 2291352), (126, 2073128), (133, 1964016), (138, 1892856), (144, 1813987), (152, 1718514), (161, 1622448), (168, 1554846), (171, 1527568), (184, 1419642), (207, 1261904), (228, 1145676), (252, 1036564), (266, 982008), (276, 946428), (304, 859257), (322, 811224), (336, 777423), (342, 763784), (368, 709821), (399, 654672), (414, 630952), (437, 597744), (456, 572838), (483, 540816), (504, 518282), (532, 491004), (552, 473214), (593, 440496), (644, 405612), (684, 381892), (798, 327336), (828, 315476), (874, 298872), (912, 286419), (966, 270408), (1008, 259141), (1064, 245502), (1104, 236607), (1186, 220248), (1197, 218224), (1288, 202806), (1311, 199248), (1368, 190946), (1449, 180272), (1596, 163668), (1656, 157738), (1748, 149436), (1779, 146832), (1932, 135204), (2128, 122751), (2372, 110124), (2394, 109112), (2576, 101403), (2622, 99624), (2736, 95473), (2898, 90136), (3059, 85392), (3192, 81834), (3312, 78869), (3496, 74718), (3558, 73416), (3864, 67602), (3933, 66416), (4151, 62928), (4744, 55062), (4788, 54556), (5244, 49812), (5337, 48944), (5796, 45068), (6118, 42696), (6384, 40917), (6992, 37359), (7116, 36708), (7728, 33801), (7866, 33208), (8302, 31464), (9177, 28464), (9488, 27531), (9576, 27278), (10488, 24906), (10674, 24472), (11267, 23184), (11592, 22534), (12236, 21348), (12453, 20976), (13639, 19152), (14232, 18354), (15732, 16604)]