68308840

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7523}}^1$

素因数の和:7761

約数の個数: 32

約数和(自身を含む): 154392480

約数和(自身を除く): 86083640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7523, 9080, 15046, 30092, 37615, 60184, 75230, 150460, 300920, 1707721, 3415442, 6830884, 8538605, 13661768, 17077210, 34154420, 68308840]

約数ペア:

[(1, 68308840), (2, 34154420), (4, 17077210), (5, 13661768), (8, 8538605), (10, 6830884), (20, 3415442), (40, 1707721), (227, 300920), (454, 150460), (908, 75230), (1135, 60184), (1816, 37615), (2270, 30092), (4540, 15046), (7523, 9080)]