127467520

素因数分解:

$2^{16}\times 5^1\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 68

約数和(自身を含む): 306706140

約数和(自身を除く): 179238620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 512, 640, 778, 1024, 1280, 1556, 1945, 2048, 2560, 3112, 3890, 4096, 5120, 6224, 7780, 8192, 10240, 12448, 15560, 16384, 20480, 24896, 31120, 32768, 40960, 49792, 62240, 65536, 81920, 99584, 124480, 163840, 199168, 248960, 327680, 398336, 497920, 796672, 995840, 1593344, 1991680, 3186688, 3983360, 6373376, 7966720, 12746752, 15933440, 25493504, 31866880, 63733760, 127467520]

約数ペア:

[(1, 127467520), (2, 63733760), (4, 31866880), (5, 25493504), (8, 15933440), (10, 12746752), (16, 7966720), (20, 6373376), (32, 3983360), (40, 3186688), (64, 1991680), (80, 1593344), (128, 995840), (160, 796672), (256, 497920), (320, 398336), (389, 327680), (512, 248960), (640, 199168), (778, 163840), (1024, 124480), (1280, 99584), (1556, 81920), (1945, 65536), (2048, 62240), (2560, 49792), (3112, 40960), (3890, 32768), (4096, 31120), (5120, 24896), (6224, 20480), (7780, 16384), (8192, 15560), (10240, 12448)]