1285688640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{1339259}}^1$

素因数の和:1339279

約数の個数: 56

約数和(自身を含む): 4082064480

約数和(自身を除く): 2796375840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 1339259, 2678518, 4017777, 5357036, 6696295, 8035554, 10714072, 13392590, 16071108, 20088885, 21428144, 26785180, 32142216, 40177770, 42856288, 53570360, 64284432, 80355540, 85712576, 107140720, 128568864, 160711080, 214281440, 257137728, 321422160, 428562880, 642844320, 1285688640]

約数ペア:

[(1, 1285688640), (2, 642844320), (3, 428562880), (4, 321422160), (5, 257137728), (6, 214281440), (8, 160711080), (10, 128568864), (12, 107140720), (15, 85712576), (16, 80355540), (20, 64284432), (24, 53570360), (30, 42856288), (32, 40177770), (40, 32142216), (48, 26785180), (60, 21428144), (64, 20088885), (80, 16071108), (96, 13392590), (120, 10714072), (160, 8035554), (192, 6696295), (240, 5357036), (320, 4017777), (480, 2678518), (960, 1339259)]