312586905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 557383680

約数和(自身を除く): 244796775

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 223, 239, 255, 345, 391, 669, 717, 1115, 1173, 1195, 1955, 3345, 3585, 3791, 4063, 5129, 5497, 5865, 11373, 12189, 15387, 16491, 18955, 20315, 25645, 27485, 53297, 56865, 60945, 76935, 82455, 87193, 93449, 159891, 261579, 266485, 280347, 435965, 467245, 799455, 906049, 1225831, 1307895, 1401735, 2718147, 3677493, 4530245, 6129155, 13590735, 18387465, 20839127, 62517381, 104195635, 312586905]

約数ペア:

[(1, 312586905), (3, 104195635), (5, 62517381), (15, 20839127), (17, 18387465), (23, 13590735), (51, 6129155), (69, 4530245), (85, 3677493), (115, 2718147), (223, 1401735), (239, 1307895), (255, 1225831), (345, 906049), (391, 799455), (669, 467245), (717, 435965), (1115, 280347), (1173, 266485), (1195, 261579), (1955, 159891), (3345, 93449), (3585, 87193), (3791, 82455), (4063, 76935), (5129, 60945), (5497, 56865), (5865, 53297), (11373, 27485), (12189, 25645), (15387, 20315), (16491, 18955)]