1277720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1879}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 3045600

約数和(自身を除く): 1767880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1879, 3758, 7516, 9395, 15032, 18790, 31943, 37580, 63886, 75160, 127772, 159715, 255544, 319430, 638860, 1277720]

約数ペア:

[(1, 1277720), (2, 638860), (4, 319430), (5, 255544), (8, 159715), (10, 127772), (17, 75160), (20, 63886), (34, 37580), (40, 31943), (68, 18790), (85, 15032), (136, 9395), (170, 7516), (340, 3758), (680, 1879)]