156819720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1306831}}^1$

素因数の和:1306845

約数の個数: 32

約数和(自身を含む): 470459520

約数和(自身を除く): 313639800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1306831, 2613662, 3920493, 5227324, 6534155, 7840986, 10454648, 13068310, 15681972, 19602465, 26136620, 31363944, 39204930, 52273240, 78409860, 156819720]

約数ペア:

[(1, 156819720), (2, 78409860), (3, 52273240), (4, 39204930), (5, 31363944), (6, 26136620), (8, 19602465), (10, 15681972), (12, 13068310), (15, 10454648), (20, 7840986), (24, 6534155), (30, 5227324), (40, 3920493), (60, 2613662), (120, 1306831)]