205572960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142759}}^1$

素因数の和:142780

約数の個数: 72

約数和(自身を含む): 701522640

約数和(自身を除く): 495949680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142759, 285518, 428277, 571036, 713795, 856554, 1142072, 1284831, 1427590, 1713108, 2141385, 2284144, 2569662, 2855180, 3426216, 4282770, 4568288, 5139324, 5710360, 6424155, 6852432, 8565540, 10278648, 11420720, 12848310, 13704864, 17131080, 20557296, 22841440, 25696620, 34262160, 41114592, 51393240, 68524320, 102786480, 205572960]

約数ペア:

[(1, 205572960), (2, 102786480), (3, 68524320), (4, 51393240), (5, 41114592), (6, 34262160), (8, 25696620), (9, 22841440), (10, 20557296), (12, 17131080), (15, 13704864), (16, 12848310), (18, 11420720), (20, 10278648), (24, 8565540), (30, 6852432), (32, 6424155), (36, 5710360), (40, 5139324), (45, 4568288), (48, 4282770), (60, 3426216), (72, 2855180), (80, 2569662), (90, 2284144), (96, 2141385), (120, 1713108), (144, 1427590), (160, 1284831), (180, 1142072), (240, 856554), (288, 713795), (360, 571036), (480, 428277), (720, 285518), (1440, 142759)]