261284544

素因数分解:

$2^6\times 3^2\times {\mathrm{71}}^1\times {\mathrm{6389}}^1$

素因数の和:6478

約数の個数: 84

約数和(自身を含む): 759592080

約数和(自身を除く): 498307536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 142, 144, 192, 213, 284, 288, 426, 568, 576, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 4544, 5112, 6389, 6816, 10224, 12778, 13632, 19167, 20448, 25556, 38334, 40896, 51112, 57501, 76668, 102224, 115002, 153336, 204448, 230004, 306672, 408896, 453619, 460008, 613344, 907238, 920016, 1226688, 1360857, 1814476, 1840032, 2721714, 3628952, 3680064, 4082571, 5443428, 7257904, 8165142, 10886856, 14515808, 16330284, 21773712, 29031616, 32660568, 43547424, 65321136, 87094848, 130642272, 261284544]

約数ペア:

[(1, 261284544), (2, 130642272), (3, 87094848), (4, 65321136), (6, 43547424), (8, 32660568), (9, 29031616), (12, 21773712), (16, 16330284), (18, 14515808), (24, 10886856), (32, 8165142), (36, 7257904), (48, 5443428), (64, 4082571), (71, 3680064), (72, 3628952), (96, 2721714), (142, 1840032), (144, 1814476), (192, 1360857), (213, 1226688), (284, 920016), (288, 907238), (426, 613344), (568, 460008), (576, 453619), (639, 408896), (852, 306672), (1136, 230004), (1278, 204448), (1704, 153336), (2272, 115002), (2556, 102224), (3408, 76668), (4544, 57501), (5112, 51112), (6389, 40896), (6816, 38334), (10224, 25556), (12778, 20448), (13632, 19167)]