64518160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115211}}^1$

素因数の和:115231

約数の個数: 40

約数和(自身を含む): 171435456

約数和(自身を除く): 106917296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115211, 230422, 460844, 576055, 806477, 921688, 1152110, 1612954, 1843376, 2304220, 3225908, 4032385, 4608440, 6451816, 8064770, 9216880, 12903632, 16129540, 32259080, 64518160]

約数ペア:

[(1, 64518160), (2, 32259080), (4, 16129540), (5, 12903632), (7, 9216880), (8, 8064770), (10, 6451816), (14, 4608440), (16, 4032385), (20, 3225908), (28, 2304220), (35, 1843376), (40, 1612954), (56, 1152110), (70, 921688), (80, 806477), (112, 576055), (140, 460844), (280, 230422), (560, 115211)]