2129121780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{825241}}^1$

素因数の和:825296

約数の個数: 48

約数和(自身を含む): 6100188864

約数和(自身を除く): 3971067084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 825241, 1650482, 2475723, 3300964, 4126205, 4951446, 8252410, 9902892, 12378615, 16504820, 24757230, 35485363, 49514460, 70970726, 106456089, 141941452, 177426815, 212912178, 354853630, 425824356, 532280445, 709707260, 1064560890, 2129121780]

約数ペア:

[(1, 2129121780), (2, 1064560890), (3, 709707260), (4, 532280445), (5, 425824356), (6, 354853630), (10, 212912178), (12, 177426815), (15, 141941452), (20, 106456089), (30, 70970726), (43, 49514460), (60, 35485363), (86, 24757230), (129, 16504820), (172, 12378615), (215, 9902892), (258, 8252410), (430, 4951446), (516, 4126205), (645, 3300964), (860, 2475723), (1290, 1650482), (2580, 825241)]