256830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 705024

約数和(自身を除く): 448194

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1223, 2446, 3669, 6115, 7338, 8561, 12230, 17122, 18345, 25683, 36690, 42805, 51366, 85610, 128415, 256830]

約数ペア:

[(1, 256830), (2, 128415), (3, 85610), (5, 51366), (6, 42805), (7, 36690), (10, 25683), (14, 18345), (15, 17122), (21, 12230), (30, 8561), (35, 7338), (42, 6115), (70, 3669), (105, 2446), (210, 1223)]