720

素因数分解:

$2^4\times 3^2\times 5^1$

素因数の和:19

約数の個数: 30

約数和(自身を含む): 2418

約数和(自身を除く): 1698

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720]

約数ペア:

[(1, 720), (2, 360), (3, 240), (4, 180), (5, 144), (6, 120), (8, 90), (9, 80), (10, 72), (12, 60), (15, 48), (16, 45), (18, 40), (20, 36), (24, 30)]