171220980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{407669}}^1$

素因数の和:407688

約数の個数: 48

約数和(自身を含む): 547908480

約数和(自身を除く): 376687500

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, 407669, 815338, 1223007, 1630676, 2038345, 2446014, 2853683, 4076690, 4892028, 5707366, 6115035, 8153380, 8561049, 11414732, 12230070, 14268415, 17122098, 24460140, 28536830, 34244196, 42805245, 57073660, 85610490, 171220980]

約数ペア:

[(1, 171220980), (2, 85610490), (3, 57073660), (4, 42805245), (5, 34244196), (6, 28536830), (7, 24460140), (10, 17122098), (12, 14268415), (14, 12230070), (15, 11414732), (20, 8561049), (21, 8153380), (28, 6115035), (30, 5707366), (35, 4892028), (42, 4076690), (60, 2853683), (70, 2446014), (84, 2038345), (105, 1630676), (140, 1223007), (210, 815338), (420, 407669)]