68818920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13337}}^1$

素因数の和:13394

約数の個数: 64

約数和(自身を含む): 211273920

約数和(自身を除く): 142455000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 13337, 26674, 40011, 53348, 66685, 80022, 106696, 133370, 160044, 200055, 266740, 320088, 400110, 533480, 573491, 800220, 1146982, 1600440, 1720473, 2293964, 2867455, 3440946, 4587928, 5734910, 6881892, 8602365, 11469820, 13763784, 17204730, 22939640, 34409460, 68818920]

約数ペア:

[(1, 68818920), (2, 34409460), (3, 22939640), (4, 17204730), (5, 13763784), (6, 11469820), (8, 8602365), (10, 6881892), (12, 5734910), (15, 4587928), (20, 3440946), (24, 2867455), (30, 2293964), (40, 1720473), (43, 1600440), (60, 1146982), (86, 800220), (120, 573491), (129, 533480), (172, 400110), (215, 320088), (258, 266740), (344, 200055), (430, 160044), (516, 133370), (645, 106696), (860, 80022), (1032, 66685), (1290, 53348), (1720, 40011), (2580, 26674), (5160, 13337)]