12781590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6359}}^1$

素因数の和:6436

約数の個数: 32

約数和(自身を含む): 31138560

約数和(自身を除く): 18356970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 6359, 12718, 19077, 31795, 38154, 63590, 95385, 190770, 426053, 852106, 1278159, 2130265, 2556318, 4260530, 6390795, 12781590]

約数ペア:

[(1, 12781590), (2, 6390795), (3, 4260530), (5, 2556318), (6, 2130265), (10, 1278159), (15, 852106), (30, 426053), (67, 190770), (134, 95385), (201, 63590), (335, 38154), (402, 31795), (670, 19077), (1005, 12718), (2010, 6359)]