71617560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85259}}^1$

素因数の和:85280

約数の個数: 64

約数和(自身を含む): 245548800

約数和(自身を除く): 173931240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 85259, 170518, 255777, 341036, 426295, 511554, 596813, 682072, 852590, 1023108, 1193626, 1278885, 1705180, 1790439, 2046216, 2387252, 2557770, 2984065, 3410360, 3580878, 4774504, 5115540, 5968130, 7161756, 8952195, 10231080, 11936260, 14323512, 17904390, 23872520, 35808780, 71617560]

約数ペア:

[(1, 71617560), (2, 35808780), (3, 23872520), (4, 17904390), (5, 14323512), (6, 11936260), (7, 10231080), (8, 8952195), (10, 7161756), (12, 5968130), (14, 5115540), (15, 4774504), (20, 3580878), (21, 3410360), (24, 2984065), (28, 2557770), (30, 2387252), (35, 2046216), (40, 1790439), (42, 1705180), (56, 1278885), (60, 1193626), (70, 1023108), (84, 852590), (105, 682072), (120, 596813), (140, 511554), (168, 426295), (210, 341036), (280, 255777), (420, 170518), (840, 85259)]