61566680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219881}}^1$

素因数の和:219899

約数の個数: 32

約数和(自身を含む): 158315040

約数和(自身を除く): 96748360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219881, 439762, 879524, 1099405, 1539167, 1759048, 2198810, 3078334, 4397620, 6156668, 7695835, 8795240, 12313336, 15391670, 30783340, 61566680]

約数ペア:

[(1, 61566680), (2, 30783340), (4, 15391670), (5, 12313336), (7, 8795240), (8, 7695835), (10, 6156668), (14, 4397620), (20, 3078334), (28, 2198810), (35, 1759048), (40, 1539167), (56, 1099405), (70, 879524), (140, 439762), (280, 219881)]