77241280

素因数分解:

$2^6\times 5^1\times {\mathrm{281}}^1\times {\mathrm{859}}^1$

素因数の和:1157

約数の個数: 56

約数和(自身を含む): 184800240

約数和(自身を除く): 107558960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 281, 320, 562, 859, 1124, 1405, 1718, 2248, 2810, 3436, 4295, 4496, 5620, 6872, 8590, 8992, 11240, 13744, 17180, 17984, 22480, 27488, 34360, 44960, 54976, 68720, 89920, 137440, 241379, 274880, 482758, 965516, 1206895, 1931032, 2413790, 3862064, 4827580, 7724128, 9655160, 15448256, 19310320, 38620640, 77241280]

約数ペア:

[(1, 77241280), (2, 38620640), (4, 19310320), (5, 15448256), (8, 9655160), (10, 7724128), (16, 4827580), (20, 3862064), (32, 2413790), (40, 1931032), (64, 1206895), (80, 965516), (160, 482758), (281, 274880), (320, 241379), (562, 137440), (859, 89920), (1124, 68720), (1405, 54976), (1718, 44960), (2248, 34360), (2810, 27488), (3436, 22480), (4295, 17984), (4496, 17180), (5620, 13744), (6872, 11240), (8590, 8992)]