205514160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{856309}}^1$

素因数の和:856325

約数の個数: 40

約数和(自身を含む): 637094640

約数和(自身を除く): 431580480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 856309, 1712618, 2568927, 3425236, 4281545, 5137854, 6850472, 8563090, 10275708, 12844635, 13700944, 17126180, 20551416, 25689270, 34252360, 41102832, 51378540, 68504720, 102757080, 205514160]

約数ペア:

[(1, 205514160), (2, 102757080), (3, 68504720), (4, 51378540), (5, 41102832), (6, 34252360), (8, 25689270), (10, 20551416), (12, 17126180), (15, 13700944), (16, 12844635), (20, 10275708), (24, 8563090), (30, 6850472), (40, 5137854), (48, 4281545), (60, 3425236), (80, 2568927), (120, 1712618), (240, 856309)]