253904320

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2503}}^1$

素因数の和:2837

約数の個数: 56

約数和(自身を含む): 606759264

約数和(自身を除く): 352854944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 634, 1268, 1585, 2503, 2536, 3170, 5006, 5072, 6340, 10012, 10144, 12515, 12680, 20024, 20288, 25030, 25360, 40048, 50060, 50720, 80096, 100120, 101440, 160192, 200240, 400480, 793451, 800960, 1586902, 3173804, 3967255, 6347608, 7934510, 12695216, 15869020, 25390432, 31738040, 50780864, 63476080, 126952160, 253904320]

約数ペア:

[(1, 253904320), (2, 126952160), (4, 63476080), (5, 50780864), (8, 31738040), (10, 25390432), (16, 15869020), (20, 12695216), (32, 7934510), (40, 6347608), (64, 3967255), (80, 3173804), (160, 1586902), (317, 800960), (320, 793451), (634, 400480), (1268, 200240), (1585, 160192), (2503, 101440), (2536, 100120), (3170, 80096), (5006, 50720), (5072, 50060), (6340, 40048), (10012, 25360), (10144, 25030), (12515, 20288), (12680, 20024)]