28785060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3777

約数の個数: 72

約数和(自身を含む): 89369280

約数和(自身を除く): 60584220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3719, 3870, 7438, 7740, 11157, 14876, 18595, 22314, 33471, 37190, 44628, 55785, 66942, 74380, 111570, 133884, 159917, 167355, 223140, 319834, 334710, 479751, 639668, 669420, 799585, 959502, 1439253, 1599170, 1919004, 2398755, 2878506, 3198340, 4797510, 5757012, 7196265, 9595020, 14392530, 28785060]

約数ペア:

[(1, 28785060), (2, 14392530), (3, 9595020), (4, 7196265), (5, 5757012), (6, 4797510), (9, 3198340), (10, 2878506), (12, 2398755), (15, 1919004), (18, 1599170), (20, 1439253), (30, 959502), (36, 799585), (43, 669420), (45, 639668), (60, 479751), (86, 334710), (90, 319834), (129, 223140), (172, 167355), (180, 159917), (215, 133884), (258, 111570), (387, 74380), (430, 66942), (516, 55785), (645, 44628), (774, 37190), (860, 33471), (1290, 22314), (1548, 18595), (1935, 14876), (2580, 11157), (3719, 7740), (3870, 7438)]