256881720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2140681}}^1$

素因数の和:2140695

約数の個数: 32

約数和(自身を含む): 770645520

約数和(自身を除く): 513763800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2140681, 4281362, 6422043, 8562724, 10703405, 12844086, 17125448, 21406810, 25688172, 32110215, 42813620, 51376344, 64220430, 85627240, 128440860, 256881720]

約数ペア:

[(1, 256881720), (2, 128440860), (3, 85627240), (4, 64220430), (5, 51376344), (6, 42813620), (8, 32110215), (10, 25688172), (12, 21406810), (15, 17125448), (20, 12844086), (24, 10703405), (30, 8562724), (40, 6422043), (60, 4281362), (120, 2140681)]