39720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 119520

約数和(自身を除く): 79800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 6620, 7944, 9930, 13240, 19860, 39720]

約数ペア:

[(1, 39720), (2, 19860), (3, 13240), (4, 9930), (5, 7944), (6, 6620), (8, 4965), (10, 3972), (12, 3310), (15, 2648), (20, 1986), (24, 1655), (30, 1324), (40, 993), (60, 662), (120, 331)]