78015280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139313}}^1$

素因数の和:139333

約数の個数: 40

約数和(自身を含む): 207299232

約数和(自身を除く): 129283952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139313, 278626, 557252, 696565, 975191, 1114504, 1393130, 1950382, 2229008, 2786260, 3900764, 4875955, 5572520, 7801528, 9751910, 11145040, 15603056, 19503820, 39007640, 78015280]

約数ペア:

[(1, 78015280), (2, 39007640), (4, 19503820), (5, 15603056), (7, 11145040), (8, 9751910), (10, 7801528), (14, 5572520), (16, 4875955), (20, 3900764), (28, 2786260), (35, 2229008), (40, 1950382), (56, 1393130), (70, 1114504), (80, 975191), (112, 696565), (140, 557252), (280, 278626), (560, 139313)]