1555263560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1\times {\mathrm{1433}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 3588900480

約数和(自身を除く): 2033636920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 631, 860, 1262, 1433, 1720, 2524, 2866, 3155, 5048, 5732, 6310, 7165, 11464, 12620, 14330, 25240, 27133, 28660, 54266, 57320, 61619, 108532, 123238, 135665, 217064, 246476, 271330, 308095, 492952, 542660, 616190, 904223, 1085320, 1232380, 1808446, 2464760, 3616892, 4521115, 7233784, 9042230, 18084460, 36168920, 38881589, 77763178, 155526356, 194407945, 311052712, 388815890, 777631780, 1555263560]

約数ペア:

[(1, 1555263560), (2, 777631780), (4, 388815890), (5, 311052712), (8, 194407945), (10, 155526356), (20, 77763178), (40, 38881589), (43, 36168920), (86, 18084460), (172, 9042230), (215, 7233784), (344, 4521115), (430, 3616892), (631, 2464760), (860, 1808446), (1262, 1232380), (1433, 1085320), (1720, 904223), (2524, 616190), (2866, 542660), (3155, 492952), (5048, 308095), (5732, 271330), (6310, 246476), (7165, 217064), (11464, 135665), (12620, 123238), (14330, 108532), (25240, 61619), (27133, 57320), (28660, 54266)]