30781696

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 71082144

約数和(自身を除く): 40300448

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 544, 643, 704, 748, 1088, 1286, 1408, 1496, 2176, 2572, 2816, 2992, 4352, 5144, 5984, 7073, 10288, 10931, 11968, 14146, 20576, 21862, 23936, 28292, 41152, 43724, 47872, 56584, 82304, 87448, 113168, 120241, 164608, 174896, 226336, 240482, 349792, 452672, 480964, 699584, 905344, 961928, 1399168, 1810688, 1923856, 2798336, 3847712, 7695424, 15390848, 30781696]

約数ペア:

[(1, 30781696), (2, 15390848), (4, 7695424), (8, 3847712), (11, 2798336), (16, 1923856), (17, 1810688), (22, 1399168), (32, 961928), (34, 905344), (44, 699584), (64, 480964), (68, 452672), (88, 349792), (128, 240482), (136, 226336), (176, 174896), (187, 164608), (256, 120241), (272, 113168), (352, 87448), (374, 82304), (544, 56584), (643, 47872), (704, 43724), (748, 41152), (1088, 28292), (1286, 23936), (1408, 21862), (1496, 20576), (2176, 14146), (2572, 11968), (2816, 10931), (2992, 10288), (4352, 7073), (5144, 5984)]