278744640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{290359}}^1$

素因数の和:290379

約数の個数: 56

約数和(自身を含む): 885017280

約数和(自身を除く): 606272640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 290359, 580718, 871077, 1161436, 1451795, 1742154, 2322872, 2903590, 3484308, 4355385, 4645744, 5807180, 6968616, 8710770, 9291488, 11614360, 13937232, 17421540, 18582976, 23228720, 27874464, 34843080, 46457440, 55748928, 69686160, 92914880, 139372320, 278744640]

約数ペア:

[(1, 278744640), (2, 139372320), (3, 92914880), (4, 69686160), (5, 55748928), (6, 46457440), (8, 34843080), (10, 27874464), (12, 23228720), (15, 18582976), (16, 17421540), (20, 13937232), (24, 11614360), (30, 9291488), (32, 8710770), (40, 6968616), (48, 5807180), (60, 4645744), (64, 4355385), (80, 3484308), (96, 2903590), (120, 2322872), (160, 1742154), (192, 1451795), (240, 1161436), (320, 871077), (480, 580718), (960, 290359)]