209865720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1748881}}^1$

素因数の和:1748895

約数の個数: 32

約数和(自身を含む): 629597520

約数和(自身を除く): 419731800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1748881, 3497762, 5246643, 6995524, 8744405, 10493286, 13991048, 17488810, 20986572, 26233215, 34977620, 41973144, 52466430, 69955240, 104932860, 209865720]

約数ペア:

[(1, 209865720), (2, 104932860), (3, 69955240), (4, 52466430), (5, 41973144), (6, 34977620), (8, 26233215), (10, 20986572), (12, 17488810), (15, 13991048), (20, 10493286), (24, 8744405), (30, 6995524), (40, 5246643), (60, 3497762), (120, 1748881)]