39780420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{663007}}^1$

素因数の和:663019

約数の個数: 24

約数和(自身を含む): 111385344

約数和(自身を除く): 71604924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 663007, 1326014, 1989021, 2652028, 3315035, 3978042, 6630070, 7956084, 9945105, 13260140, 19890210, 39780420]

約数ペア:

[(1, 39780420), (2, 19890210), (3, 13260140), (4, 9945105), (5, 7956084), (6, 6630070), (10, 3978042), (12, 3315035), (15, 2652028), (20, 1989021), (30, 1326014), (60, 663007)]