1691340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4027}}^1$

素因数の和:4046

約数の個数: 48

約数和(自身を含む): 5413632

約数和(自身を除く): 3722292

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, 4027, 8054, 12081, 16108, 20135, 24162, 28189, 40270, 48324, 56378, 60405, 80540, 84567, 112756, 120810, 140945, 169134, 241620, 281890, 338268, 422835, 563780, 845670, 1691340]

約数ペア:

[(1, 1691340), (2, 845670), (3, 563780), (4, 422835), (5, 338268), (6, 281890), (7, 241620), (10, 169134), (12, 140945), (14, 120810), (15, 112756), (20, 84567), (21, 80540), (28, 60405), (30, 56378), (35, 48324), (42, 40270), (60, 28189), (70, 24162), (84, 20135), (105, 16108), (140, 12081), (210, 8054), (420, 4027)]