15771720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131431}}^1$

素因数の和:131445

約数の個数: 32

約数和(自身を含む): 47315520

約数和(自身を除く): 31543800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131431, 262862, 394293, 525724, 657155, 788586, 1051448, 1314310, 1577172, 1971465, 2628620, 3154344, 3942930, 5257240, 7885860, 15771720]

約数ペア:

[(1, 15771720), (2, 7885860), (3, 5257240), (4, 3942930), (5, 3154344), (6, 2628620), (8, 1971465), (10, 1577172), (12, 1314310), (15, 1051448), (20, 788586), (24, 657155), (30, 525724), (40, 394293), (60, 262862), (120, 131431)]