1555778860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1\times {\mathrm{2281}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 3323869920

約数和(自身を除く): 1768091060

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 509, 670, 1018, 1340, 2036, 2281, 2545, 4562, 5090, 9124, 10180, 11405, 22810, 34103, 45620, 68206, 136412, 152827, 170515, 305654, 341030, 611308, 682060, 764135, 1161029, 1528270, 2322058, 3056540, 4644116, 5805145, 11610290, 23220580, 77788943, 155577886, 311155772, 388944715, 777889430, 1555778860]

約数ペア:

[(1, 1555778860), (2, 777889430), (4, 388944715), (5, 311155772), (10, 155577886), (20, 77788943), (67, 23220580), (134, 11610290), (268, 5805145), (335, 4644116), (509, 3056540), (670, 2322058), (1018, 1528270), (1340, 1161029), (2036, 764135), (2281, 682060), (2545, 611308), (4562, 341030), (5090, 305654), (9124, 170515), (10180, 152827), (11405, 136412), (22810, 68206), (34103, 45620)]