53977980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128519}}^1$

素因数の和:128538

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 118752900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128519, 257038, 385557, 514076, 642595, 771114, 899633, 1285190, 1542228, 1799266, 1927785, 2570380, 2698899, 3598532, 3855570, 4498165, 5397798, 7711140, 8996330, 10795596, 13494495, 17992660, 26988990, 53977980]

約数ペア:

[(1, 53977980), (2, 26988990), (3, 17992660), (4, 13494495), (5, 10795596), (6, 8996330), (7, 7711140), (10, 5397798), (12, 4498165), (14, 3855570), (15, 3598532), (20, 2698899), (21, 2570380), (28, 1927785), (30, 1799266), (35, 1542228), (42, 1285190), (60, 899633), (70, 771114), (84, 642595), (105, 514076), (140, 385557), (210, 257038), (420, 128519)]