64826720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{57881}}^1$

素因数の和:57903

約数の個数: 48

約数和(自身を含む): 175035168

約数和(自身を除く): 110208448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 57881, 115762, 231524, 289405, 405167, 463048, 578810, 810334, 926096, 1157620, 1620668, 1852192, 2025835, 2315240, 3241336, 4051670, 4630480, 6482672, 8103340, 9260960, 12965344, 16206680, 32413360, 64826720]

約数ペア:

[(1, 64826720), (2, 32413360), (4, 16206680), (5, 12965344), (7, 9260960), (8, 8103340), (10, 6482672), (14, 4630480), (16, 4051670), (20, 3241336), (28, 2315240), (32, 2025835), (35, 1852192), (40, 1620668), (56, 1157620), (70, 926096), (80, 810334), (112, 578810), (140, 463048), (160, 405167), (224, 289405), (280, 231524), (560, 115762), (1120, 57881)]