172987080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205937}}^1$

素因数の和:205958

約数の個数: 64

約数和(自身を含む): 593101440

約数和(自身を除く): 420114360

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, 205937, 411874, 617811, 823748, 1029685, 1235622, 1441559, 1647496, 2059370, 2471244, 2883118, 3089055, 4118740, 4324677, 4942488, 5766236, 6178110, 7207795, 8237480, 8649354, 11532472, 12356220, 14415590, 17298708, 21623385, 24712440, 28831180, 34597416, 43246770, 57662360, 86493540, 172987080]

約数ペア:

[(1, 172987080), (2, 86493540), (3, 57662360), (4, 43246770), (5, 34597416), (6, 28831180), (7, 24712440), (8, 21623385), (10, 17298708), (12, 14415590), (14, 12356220), (15, 11532472), (20, 8649354), (21, 8237480), (24, 7207795), (28, 6178110), (30, 5766236), (35, 4942488), (40, 4324677), (42, 4118740), (56, 3089055), (60, 2883118), (70, 2471244), (84, 2059370), (105, 1647496), (120, 1441559), (140, 1235622), (168, 1029685), (210, 823748), (280, 617811), (420, 411874), (840, 205937)]