15865120

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 37731960

約数和(自身を除く): 21866840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 433, 458, 866, 916, 1145, 1732, 1832, 2165, 2290, 3464, 3664, 4330, 4580, 6928, 7328, 8660, 9160, 13856, 17320, 18320, 34640, 36640, 69280, 99157, 198314, 396628, 495785, 793256, 991570, 1586512, 1983140, 3173024, 3966280, 7932560, 15865120]

約数ペア:

[(1, 15865120), (2, 7932560), (4, 3966280), (5, 3173024), (8, 1983140), (10, 1586512), (16, 991570), (20, 793256), (32, 495785), (40, 396628), (80, 198314), (160, 99157), (229, 69280), (433, 36640), (458, 34640), (866, 18320), (916, 17320), (1145, 13856), (1732, 9160), (1832, 8660), (2165, 7328), (2290, 6928), (3464, 4580), (3664, 4330)]