320940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1798

約数の個数: 36

約数和(自身を含む): 974064

約数和(自身を除く): 653124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1783, 3566, 5349, 7132, 8915, 10698, 16047, 17830, 21396, 26745, 32094, 35660, 53490, 64188, 80235, 106980, 160470, 320940]

約数ペア:

[(1, 320940), (2, 160470), (3, 106980), (4, 80235), (5, 64188), (6, 53490), (9, 35660), (10, 32094), (12, 26745), (15, 21396), (18, 17830), (20, 16047), (30, 10698), (36, 8915), (45, 7132), (60, 5349), (90, 3566), (180, 1783)]