171455840

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2441}}^1$

素因数の和:2895

約数の個数: 48

約数和(自身を含む): 406153440

約数和(自身を除く): 234697600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 2441, 3512, 4390, 4882, 7024, 8780, 9764, 12205, 14048, 17560, 19528, 24410, 35120, 39056, 48820, 70240, 78112, 97640, 195280, 390560, 1071599, 2143198, 4286396, 5357995, 8572792, 10715990, 17145584, 21431980, 34291168, 42863960, 85727920, 171455840]

約数ペア:

[(1, 171455840), (2, 85727920), (4, 42863960), (5, 34291168), (8, 21431980), (10, 17145584), (16, 10715990), (20, 8572792), (32, 5357995), (40, 4286396), (80, 2143198), (160, 1071599), (439, 390560), (878, 195280), (1756, 97640), (2195, 78112), (2441, 70240), (3512, 48820), (4390, 39056), (4882, 35120), (7024, 24410), (8780, 19528), (9764, 17560), (12205, 14048)]