3990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:36

約数の個数: 32

約数和(自身を含む): 11520

約数和(自身を除く): 7530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990]

約数ペア:

[(1, 3990), (2, 1995), (3, 1330), (5, 798), (6, 665), (7, 570), (10, 399), (14, 285), (15, 266), (19, 210), (21, 190), (30, 133), (35, 114), (38, 105), (42, 95), (57, 70)]