320212160

素因数分解:

$2^6\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2311}}^1$

素因数の和:2761

約数の個数: 56

約数和(自身を含む): 764596896

約数和(自身を除く): 444384736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 433, 866, 1732, 2165, 2311, 3464, 4330, 4622, 6928, 8660, 9244, 11555, 13856, 17320, 18488, 23110, 27712, 34640, 36976, 46220, 69280, 73952, 92440, 138560, 147904, 184880, 369760, 739520, 1000663, 2001326, 4002652, 5003315, 8005304, 10006630, 16010608, 20013260, 32021216, 40026520, 64042432, 80053040, 160106080, 320212160]

約数ペア:

[(1, 320212160), (2, 160106080), (4, 80053040), (5, 64042432), (8, 40026520), (10, 32021216), (16, 20013260), (20, 16010608), (32, 10006630), (40, 8005304), (64, 5003315), (80, 4002652), (160, 2001326), (320, 1000663), (433, 739520), (866, 369760), (1732, 184880), (2165, 147904), (2311, 138560), (3464, 92440), (4330, 73952), (4622, 69280), (6928, 46220), (8660, 36976), (9244, 34640), (11555, 27712), (13856, 23110), (17320, 18488)]