30819720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{256831}}^1$

素因数の和:256845

約数の個数: 32

約数和(自身を含む): 92459520

約数和(自身を除く): 61639800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 256831, 513662, 770493, 1027324, 1284155, 1540986, 2054648, 2568310, 3081972, 3852465, 5136620, 6163944, 7704930, 10273240, 15409860, 30819720]

約数ペア:

[(1, 30819720), (2, 15409860), (3, 10273240), (4, 7704930), (5, 6163944), (6, 5136620), (8, 3852465), (10, 3081972), (12, 2568310), (15, 2054648), (20, 1540986), (24, 1284155), (30, 1027324), (40, 770493), (60, 513662), (120, 256831)]