261122176

素因数分解:

$2^7\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 669772800

約数和(自身を除く): 408650624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 49, 56, 62, 64, 68, 79, 98, 112, 119, 124, 128, 136, 158, 196, 217, 224, 238, 248, 272, 316, 392, 434, 448, 476, 496, 527, 544, 553, 632, 784, 833, 868, 896, 952, 992, 1054, 1088, 1106, 1264, 1343, 1519, 1568, 1666, 1736, 1904, 1984, 2108, 2176, 2212, 2449, 2528, 2686, 3038, 3136, 3332, 3472, 3689, 3808, 3871, 3968, 4216, 4424, 4898, 5056, 5372, 6076, 6272, 6664, 6944, 7378, 7616, 7742, 8432, 8848, 9401, 9796, 10112, 10744, 12152, 13328, 13888, 14756, 15232, 15484, 16864, 17143, 17696, 18802, 19592, 21488, 24304, 25823, 26656, 27776, 29512, 30968, 33728, 34286, 35392, 37604, 39184, 41633, 42976, 48608, 51646, 53312, 59024, 61936, 65807, 67456, 68572, 70784, 75208, 78368, 83266, 85952, 97216, 103292, 106624, 118048, 120001, 123872, 131614, 137144, 150416, 156736, 166532, 171904, 194432, 206584, 236096, 240002, 247744, 263228, 274288, 291431, 300832, 313472, 333064, 413168, 472192, 480004, 495488, 526456, 548576, 582862, 601664, 666128, 826336, 960008, 1052912, 1097152, 1165724, 1203328, 1332256, 1652672, 1920016, 2040017, 2105824, 2194304, 2331448, 2664512, 3305344, 3840032, 4080034, 4211648, 4662896, 5329024, 7680064, 8160068, 8423296, 9325792, 15360128, 16320136, 18651584, 32640272, 37303168, 65280544, 130561088, 261122176]

約数ペア:

[(1, 261122176), (2, 130561088), (4, 65280544), (7, 37303168), (8, 32640272), (14, 18651584), (16, 16320136), (17, 15360128), (28, 9325792), (31, 8423296), (32, 8160068), (34, 7680064), (49, 5329024), (56, 4662896), (62, 4211648), (64, 4080034), (68, 3840032), (79, 3305344), (98, 2664512), (112, 2331448), (119, 2194304), (124, 2105824), (128, 2040017), (136, 1920016), (158, 1652672), (196, 1332256), (217, 1203328), (224, 1165724), (238, 1097152), (248, 1052912), (272, 960008), (316, 826336), (392, 666128), (434, 601664), (448, 582862), (476, 548576), (496, 526456), (527, 495488), (544, 480004), (553, 472192), (632, 413168), (784, 333064), (833, 313472), (868, 300832), (896, 291431), (952, 274288), (992, 263228), (1054, 247744), (1088, 240002), (1106, 236096), (1264, 206584), (1343, 194432), (1519, 171904), (1568, 166532), (1666, 156736), (1736, 150416), (1904, 137144), (1984, 131614), (2108, 123872), (2176, 120001), (2212, 118048), (2449, 106624), (2528, 103292), (2686, 97216), (3038, 85952), (3136, 83266), (3332, 78368), (3472, 75208), (3689, 70784), (3808, 68572), (3871, 67456), (3968, 65807), (4216, 61936), (4424, 59024), (4898, 53312), (5056, 51646), (5372, 48608), (6076, 42976), (6272, 41633), (6664, 39184), (6944, 37604), (7378, 35392), (7616, 34286), (7742, 33728), (8432, 30968), (8848, 29512), (9401, 27776), (9796, 26656), (10112, 25823), (10744, 24304), (12152, 21488), (13328, 19592), (13888, 18802), (14756, 17696), (15232, 17143), (15484, 16864)]