256851210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{111191}}^1$

素因数の和:111219

約数の個数: 64

約数和(自身を含む): 768559104

約数和(自身を除く): 511707894

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 111191, 222382, 333573, 555955, 667146, 778337, 1111910, 1223101, 1556674, 1667865, 2335011, 2446202, 3335730, 3669303, 3891685, 4670022, 6115505, 7338606, 7783370, 8561707, 11675055, 12231010, 17123414, 18346515, 23350110, 25685121, 36693030, 42808535, 51370242, 85617070, 128425605, 256851210]

約数ペア:

[(1, 256851210), (2, 128425605), (3, 85617070), (5, 51370242), (6, 42808535), (7, 36693030), (10, 25685121), (11, 23350110), (14, 18346515), (15, 17123414), (21, 12231010), (22, 11675055), (30, 8561707), (33, 7783370), (35, 7338606), (42, 6115505), (55, 4670022), (66, 3891685), (70, 3669303), (77, 3335730), (105, 2446202), (110, 2335011), (154, 1667865), (165, 1556674), (210, 1223101), (231, 1111910), (330, 778337), (385, 667146), (462, 555955), (770, 333573), (1155, 222382), (2310, 111191)]