81035808

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 180237792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 69, 84, 92, 96, 98, 107, 112, 138, 147, 161, 168, 184, 196, 214, 224, 276, 294, 321, 322, 336, 343, 368, 392, 428, 483, 552, 588, 642, 644, 672, 686, 736, 749, 784, 856, 966, 1029, 1104, 1127, 1176, 1284, 1288, 1372, 1498, 1568, 1712, 1932, 2058, 2208, 2247, 2254, 2352, 2461, 2568, 2576, 2744, 2996, 3381, 3424, 3864, 4116, 4494, 4508, 4704, 4922, 5136, 5152, 5243, 5488, 5992, 6762, 7383, 7728, 7889, 8232, 8988, 9016, 9844, 10272, 10486, 10976, 11984, 13524, 14766, 15456, 15729, 15778, 16464, 17227, 17976, 18032, 19688, 20972, 23667, 23968, 27048, 29532, 31458, 31556, 32928, 34454, 35952, 36064, 36701, 39376, 41944, 47334, 51681, 54096, 59064, 62916, 63112, 68908, 71904, 73402, 78752, 83888, 94668, 103362, 108192, 110103, 118128, 120589, 125832, 126224, 137816, 146804, 167776, 189336, 206724, 220206, 236256, 241178, 251664, 252448, 275632, 293608, 361767, 378672, 413448, 440412, 482356, 503328, 551264, 587216, 723534, 757344, 826896, 844123, 880824, 964712, 1174432, 1447068, 1653792, 1688246, 1761648, 1929424, 2532369, 2894136, 3376492, 3523296, 3858848, 5064738, 5788272, 6752984, 10129476, 11576544, 13505968, 20258952, 27011936, 40517904, 81035808]

約数ペア:

[(1, 81035808), (2, 40517904), (3, 27011936), (4, 20258952), (6, 13505968), (7, 11576544), (8, 10129476), (12, 6752984), (14, 5788272), (16, 5064738), (21, 3858848), (23, 3523296), (24, 3376492), (28, 2894136), (32, 2532369), (42, 1929424), (46, 1761648), (48, 1688246), (49, 1653792), (56, 1447068), (69, 1174432), (84, 964712), (92, 880824), (96, 844123), (98, 826896), (107, 757344), (112, 723534), (138, 587216), (147, 551264), (161, 503328), (168, 482356), (184, 440412), (196, 413448), (214, 378672), (224, 361767), (276, 293608), (294, 275632), (321, 252448), (322, 251664), (336, 241178), (343, 236256), (368, 220206), (392, 206724), (428, 189336), (483, 167776), (552, 146804), (588, 137816), (642, 126224), (644, 125832), (672, 120589), (686, 118128), (736, 110103), (749, 108192), (784, 103362), (856, 94668), (966, 83888), (1029, 78752), (1104, 73402), (1127, 71904), (1176, 68908), (1284, 63112), (1288, 62916), (1372, 59064), (1498, 54096), (1568, 51681), (1712, 47334), (1932, 41944), (2058, 39376), (2208, 36701), (2247, 36064), (2254, 35952), (2352, 34454), (2461, 32928), (2568, 31556), (2576, 31458), (2744, 29532), (2996, 27048), (3381, 23968), (3424, 23667), (3864, 20972), (4116, 19688), (4494, 18032), (4508, 17976), (4704, 17227), (4922, 16464), (5136, 15778), (5152, 15729), (5243, 15456), (5488, 14766), (5992, 13524), (6762, 11984), (7383, 10976), (7728, 10486), (7889, 10272), (8232, 9844), (8988, 9016)]