28991610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2603

約数の個数: 48

約数和(自身を含む): 75984480

約数和(自身を除く): 46992870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 2459, 3930, 4918, 5895, 7377, 11790, 12295, 14754, 22131, 24590, 36885, 44262, 73770, 110655, 221310, 322129, 644258, 966387, 1610645, 1932774, 2899161, 3221290, 4831935, 5798322, 9663870, 14495805, 28991610]

約数ペア:

[(1, 28991610), (2, 14495805), (3, 9663870), (5, 5798322), (6, 4831935), (9, 3221290), (10, 2899161), (15, 1932774), (18, 1610645), (30, 966387), (45, 644258), (90, 322129), (131, 221310), (262, 110655), (393, 73770), (655, 44262), (786, 36885), (1179, 24590), (1310, 22131), (1965, 14754), (2358, 12295), (2459, 11790), (3930, 7377), (4918, 5895)]