278756880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1161487}}^1$

素因数の和:1161503

約数の個数: 40

約数和(自身を含む): 864147072

約数和(自身を除く): 585390192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1161487, 2322974, 3484461, 4645948, 5807435, 6968922, 9291896, 11614870, 13937844, 17422305, 18583792, 23229740, 27875688, 34844610, 46459480, 55751376, 69689220, 92918960, 139378440, 278756880]

約数ペア:

[(1, 278756880), (2, 139378440), (3, 92918960), (4, 69689220), (5, 55751376), (6, 46459480), (8, 34844610), (10, 27875688), (12, 23229740), (15, 18583792), (16, 17422305), (20, 13937844), (24, 11614870), (30, 9291896), (40, 6968922), (48, 5807435), (60, 4645948), (80, 3484461), (120, 2322974), (240, 1161487)]