261567408

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 730381824

約数和(自身を除く): 468814416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 47, 48, 69, 71, 92, 94, 138, 141, 142, 184, 188, 213, 276, 282, 284, 368, 376, 426, 552, 564, 568, 752, 852, 1081, 1104, 1128, 1136, 1633, 1704, 2162, 2256, 3243, 3266, 3337, 3408, 4324, 4899, 5041, 6486, 6532, 6674, 8648, 9798, 10011, 10082, 12972, 13064, 13348, 15123, 17296, 19596, 20022, 20164, 25944, 26128, 26696, 30246, 39192, 40044, 40328, 51888, 53392, 60492, 76751, 78384, 80088, 80656, 115943, 120984, 153502, 160176, 230253, 231886, 236927, 241968, 307004, 347829, 460506, 463772, 473854, 614008, 695658, 710781, 921012, 927544, 947708, 1228016, 1391316, 1421562, 1842024, 1855088, 1895416, 2782632, 2843124, 3684048, 3790832, 5449321, 5565264, 5686248, 10898642, 11372496, 16347963, 21797284, 32695926, 43594568, 65391852, 87189136, 130783704, 261567408]

約数ペア:

[(1, 261567408), (2, 130783704), (3, 87189136), (4, 65391852), (6, 43594568), (8, 32695926), (12, 21797284), (16, 16347963), (23, 11372496), (24, 10898642), (46, 5686248), (47, 5565264), (48, 5449321), (69, 3790832), (71, 3684048), (92, 2843124), (94, 2782632), (138, 1895416), (141, 1855088), (142, 1842024), (184, 1421562), (188, 1391316), (213, 1228016), (276, 947708), (282, 927544), (284, 921012), (368, 710781), (376, 695658), (426, 614008), (552, 473854), (564, 463772), (568, 460506), (752, 347829), (852, 307004), (1081, 241968), (1104, 236927), (1128, 231886), (1136, 230253), (1633, 160176), (1704, 153502), (2162, 120984), (2256, 115943), (3243, 80656), (3266, 80088), (3337, 78384), (3408, 76751), (4324, 60492), (4899, 53392), (5041, 51888), (6486, 40328), (6532, 40044), (6674, 39192), (8648, 30246), (9798, 26696), (10011, 26128), (10082, 25944), (12972, 20164), (13064, 20022), (13348, 19596), (15123, 17296)]