213727080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{254437}}^1$

素因数の和:254458

約数の個数: 64

約数和(自身を含む): 732781440

約数和(自身を除く): 519054360

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, 254437, 508874, 763311, 1017748, 1272185, 1526622, 1781059, 2035496, 2544370, 3053244, 3562118, 3816555, 5088740, 5343177, 6106488, 7124236, 7633110, 8905295, 10177480, 10686354, 14248472, 15266220, 17810590, 21372708, 26715885, 30532440, 35621180, 42745416, 53431770, 71242360, 106863540, 213727080]

約数ペア:

[(1, 213727080), (2, 106863540), (3, 71242360), (4, 53431770), (5, 42745416), (6, 35621180), (7, 30532440), (8, 26715885), (10, 21372708), (12, 17810590), (14, 15266220), (15, 14248472), (20, 10686354), (21, 10177480), (24, 8905295), (28, 7633110), (30, 7124236), (35, 6106488), (40, 5343177), (42, 5088740), (56, 3816555), (60, 3562118), (70, 3053244), (84, 2544370), (105, 2035496), (120, 1781059), (140, 1526622), (168, 1272185), (210, 1017748), (280, 763311), (420, 508874), (840, 254437)]