318832640

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 136

約数和(自身を含む): 880797120

約数和(自身を除く): 561964480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 256, 278, 280, 320, 448, 512, 556, 560, 640, 695, 896, 973, 1024, 1112, 1120, 1280, 1390, 1792, 1946, 2048, 2224, 2240, 2560, 2780, 3584, 3892, 4096, 4448, 4480, 4865, 5120, 5560, 7168, 7784, 8192, 8896, 8960, 9730, 10240, 11120, 14336, 15568, 16384, 17792, 17920, 19460, 20480, 22240, 28672, 31136, 32768, 35584, 35840, 38920, 40960, 44480, 57344, 62272, 65536, 71168, 71680, 77840, 81920, 88960, 114688, 124544, 142336, 143360, 155680, 163840, 177920, 229376, 249088, 284672, 286720, 311360, 327680, 355840, 458752, 498176, 569344, 573440, 622720, 711680, 996352, 1138688, 1146880, 1245440, 1423360, 1992704, 2277376, 2293760, 2490880, 2846720, 3985408, 4554752, 4981760, 5693440, 7970816, 9109504, 9963520, 11386880, 15941632, 19927040, 22773760, 31883264, 39854080, 45547520, 63766528, 79708160, 159416320, 318832640]

約数ペア:

[(1, 318832640), (2, 159416320), (4, 79708160), (5, 63766528), (7, 45547520), (8, 39854080), (10, 31883264), (14, 22773760), (16, 19927040), (20, 15941632), (28, 11386880), (32, 9963520), (35, 9109504), (40, 7970816), (56, 5693440), (64, 4981760), (70, 4554752), (80, 3985408), (112, 2846720), (128, 2490880), (139, 2293760), (140, 2277376), (160, 1992704), (224, 1423360), (256, 1245440), (278, 1146880), (280, 1138688), (320, 996352), (448, 711680), (512, 622720), (556, 573440), (560, 569344), (640, 498176), (695, 458752), (896, 355840), (973, 327680), (1024, 311360), (1112, 286720), (1120, 284672), (1280, 249088), (1390, 229376), (1792, 177920), (1946, 163840), (2048, 155680), (2224, 143360), (2240, 142336), (2560, 124544), (2780, 114688), (3584, 88960), (3892, 81920), (4096, 77840), (4448, 71680), (4480, 71168), (4865, 65536), (5120, 62272), (5560, 57344), (7168, 44480), (7784, 40960), (8192, 38920), (8896, 35840), (8960, 35584), (9730, 32768), (10240, 31136), (11120, 28672), (14336, 22240), (15568, 20480), (16384, 19460), (17792, 17920)]