15142960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3863}}^1$

素因数の和:3890

約数の個数: 60

約数和(自身を含む): 40966128

約数和(自身を除く): 25823168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3863, 3920, 7726, 15452, 19315, 27041, 30904, 38630, 54082, 61808, 77260, 108164, 135205, 154520, 189287, 216328, 270410, 309040, 378574, 432656, 540820, 757148, 946435, 1081640, 1514296, 1892870, 2163280, 3028592, 3785740, 7571480, 15142960]

約数ペア:

[(1, 15142960), (2, 7571480), (4, 3785740), (5, 3028592), (7, 2163280), (8, 1892870), (10, 1514296), (14, 1081640), (16, 946435), (20, 757148), (28, 540820), (35, 432656), (40, 378574), (49, 309040), (56, 270410), (70, 216328), (80, 189287), (98, 154520), (112, 135205), (140, 108164), (196, 77260), (245, 61808), (280, 54082), (392, 38630), (490, 30904), (560, 27041), (784, 19315), (980, 15452), (1960, 7726), (3863, 3920)]