157031680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9437}}^1$

素因数の和:9471

約数の個数: 72

約数和(自身を含む): 405116712

約数和(自身を除く): 248085032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 9437, 16640, 18874, 37748, 47185, 75496, 94370, 122681, 150992, 188740, 245362, 301984, 377480, 490724, 603968, 613405, 754960, 981448, 1207936, 1226810, 1509920, 1962896, 2415872, 2453620, 3019840, 3925792, 4907240, 6039680, 7851584, 9814480, 12079360, 15703168, 19628960, 31406336, 39257920, 78515840, 157031680]

約数ペア:

[(1, 157031680), (2, 78515840), (4, 39257920), (5, 31406336), (8, 19628960), (10, 15703168), (13, 12079360), (16, 9814480), (20, 7851584), (26, 6039680), (32, 4907240), (40, 3925792), (52, 3019840), (64, 2453620), (65, 2415872), (80, 1962896), (104, 1509920), (128, 1226810), (130, 1207936), (160, 981448), (208, 754960), (256, 613405), (260, 603968), (320, 490724), (416, 377480), (520, 301984), (640, 245362), (832, 188740), (1040, 150992), (1280, 122681), (1664, 94370), (2080, 75496), (3328, 47185), (4160, 37748), (8320, 18874), (9437, 16640)]