1445920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 3907008

約数和(自身を除く): 2461088

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, 1291, 2582, 5164, 6455, 9037, 10328, 12910, 18074, 20656, 25820, 36148, 41312, 45185, 51640, 72296, 90370, 103280, 144592, 180740, 206560, 289184, 361480, 722960, 1445920]

約数ペア:

[(1, 1445920), (2, 722960), (4, 361480), (5, 289184), (7, 206560), (8, 180740), (10, 144592), (14, 103280), (16, 90370), (20, 72296), (28, 51640), (32, 45185), (35, 41312), (40, 36148), (56, 25820), (70, 20656), (80, 18074), (112, 12910), (140, 10328), (160, 9037), (224, 6455), (280, 5164), (560, 2582), (1120, 1291)]