81609720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680081}}^1$

素因数の和:680095

約数の個数: 32

約数和(自身を含む): 244829520

約数和(自身を除く): 163219800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680081, 1360162, 2040243, 2720324, 3400405, 4080486, 5440648, 6800810, 8160972, 10201215, 13601620, 16321944, 20402430, 27203240, 40804860, 81609720]

約数ペア:

[(1, 81609720), (2, 40804860), (3, 27203240), (4, 20402430), (5, 16321944), (6, 13601620), (8, 10201215), (10, 8160972), (12, 6800810), (15, 5440648), (20, 4080486), (24, 3400405), (30, 2720324), (40, 2040243), (60, 1360162), (120, 680081)]