1720403792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^2$

素因数の和:768

約数の個数: 60

約数和(自身を含む): 3593728320

約数和(自身を除く): 1873324528

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 347, 376, 694, 752, 893, 1388, 1786, 2776, 3572, 5552, 6593, 7144, 13186, 14288, 16309, 26372, 32618, 52744, 65236, 105488, 120409, 130472, 240818, 260944, 309871, 481636, 619742, 963272, 1239484, 1926544, 2287771, 2478968, 4575542, 4957936, 5659223, 9151084, 11318446, 18302168, 22636892, 36604336, 45273784, 90547568, 107525237, 215050474, 430100948, 860201896, 1720403792]

約数ペア:

[(1, 1720403792), (2, 860201896), (4, 430100948), (8, 215050474), (16, 107525237), (19, 90547568), (38, 45273784), (47, 36604336), (76, 22636892), (94, 18302168), (152, 11318446), (188, 9151084), (304, 5659223), (347, 4957936), (376, 4575542), (694, 2478968), (752, 2287771), (893, 1926544), (1388, 1239484), (1786, 963272), (2776, 619742), (3572, 481636), (5552, 309871), (6593, 260944), (7144, 240818), (13186, 130472), (14288, 120409), (16309, 105488), (26372, 65236), (32618, 52744)]