67040120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239429}}^1$

素因数の和:239447

約数の個数: 32

約数和(自身を含む): 172389600

約数和(自身を除く): 105349480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239429, 478858, 957716, 1197145, 1676003, 1915432, 2394290, 3352006, 4788580, 6704012, 8380015, 9577160, 13408024, 16760030, 33520060, 67040120]

約数ペア:

[(1, 67040120), (2, 33520060), (4, 16760030), (5, 13408024), (7, 9577160), (8, 8380015), (10, 6704012), (14, 4788580), (20, 3352006), (28, 2394290), (35, 1915432), (40, 1676003), (56, 1197145), (70, 957716), (140, 478858), (280, 239429)]