1345720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 3207600

約数和(自身を除く): 1861880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1979, 3958, 7916, 9895, 15832, 19790, 33643, 39580, 67286, 79160, 134572, 168215, 269144, 336430, 672860, 1345720]

約数ペア:

[(1, 1345720), (2, 672860), (4, 336430), (5, 269144), (8, 168215), (10, 134572), (17, 79160), (20, 67286), (34, 39580), (40, 33643), (68, 19790), (85, 15832), (136, 9895), (170, 7916), (340, 3958), (680, 1979)]