309968320

素因数分解:

$2^6\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1097}}^1$

素因数の和:1997

約数の個数: 56

約数和(自身を含む): 739621584

約数和(自身を除く): 429653264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 883, 1097, 1766, 2194, 3532, 4388, 4415, 5485, 7064, 8776, 8830, 10970, 14128, 17552, 17660, 21940, 28256, 35104, 35320, 43880, 56512, 70208, 70640, 87760, 141280, 175520, 282560, 351040, 968651, 1937302, 3874604, 4843255, 7749208, 9686510, 15498416, 19373020, 30996832, 38746040, 61993664, 77492080, 154984160, 309968320]

約数ペア:

[(1, 309968320), (2, 154984160), (4, 77492080), (5, 61993664), (8, 38746040), (10, 30996832), (16, 19373020), (20, 15498416), (32, 9686510), (40, 7749208), (64, 4843255), (80, 3874604), (160, 1937302), (320, 968651), (883, 351040), (1097, 282560), (1766, 175520), (2194, 141280), (3532, 87760), (4388, 70640), (4415, 70208), (5485, 56512), (7064, 43880), (8776, 35320), (8830, 35104), (10970, 28256), (14128, 21940), (17552, 17660)]