258513720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2154281}}^1$

素因数の和:2154295

約数の個数: 32

約数和(自身を含む): 775541520

約数和(自身を除く): 517027800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2154281, 4308562, 6462843, 8617124, 10771405, 12925686, 17234248, 21542810, 25851372, 32314215, 43085620, 51702744, 64628430, 86171240, 129256860, 258513720]

約数ペア:

[(1, 258513720), (2, 129256860), (3, 86171240), (4, 64628430), (5, 51702744), (6, 43085620), (8, 32314215), (10, 25851372), (12, 21542810), (15, 17234248), (20, 12925686), (24, 10771405), (30, 8617124), (40, 6462843), (60, 4308562), (120, 2154281)]