631980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3511}}^1$

素因数の和:3526

約数の個数: 36

約数和(自身を含む): 1917552

約数和(自身を除く): 1285572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3511, 7022, 10533, 14044, 17555, 21066, 31599, 35110, 42132, 52665, 63198, 70220, 105330, 126396, 157995, 210660, 315990, 631980]

約数ペア:

[(1, 631980), (2, 315990), (3, 210660), (4, 157995), (5, 126396), (6, 105330), (9, 70220), (10, 63198), (12, 52665), (15, 42132), (18, 35110), (20, 31599), (30, 21066), (36, 17555), (45, 14044), (60, 10533), (90, 7022), (180, 3511)]