1560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1$

素因数の和:27

約数の個数: 32

約数和(自身を含む): 5040

約数和(自身を除く): 3480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560]

約数ペア:

[(1, 1560), (2, 780), (3, 520), (4, 390), (5, 312), (6, 260), (8, 195), (10, 156), (12, 130), (13, 120), (15, 104), (20, 78), (24, 65), (26, 60), (30, 52), (39, 40)]