268456720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{479387}}^1$

素因数の和:479407

約数の個数: 40

約数和(自身を含む): 713329344

約数和(自身を除く): 444872624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 479387, 958774, 1917548, 2396935, 3355709, 3835096, 4793870, 6711418, 7670192, 9587740, 13422836, 16778545, 19175480, 26845672, 33557090, 38350960, 53691344, 67114180, 134228360, 268456720]

約数ペア:

[(1, 268456720), (2, 134228360), (4, 67114180), (5, 53691344), (7, 38350960), (8, 33557090), (10, 26845672), (14, 19175480), (16, 16778545), (20, 13422836), (28, 9587740), (35, 7670192), (40, 6711418), (56, 4793870), (70, 3835096), (80, 3355709), (112, 2396935), (140, 1917548), (280, 958774), (560, 479387)]