80680740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192097}}^1$

素因数の和:192116

約数の個数: 48

約数和(自身を含む): 258179712

約数和(自身を除く): 177498972

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, 192097, 384194, 576291, 768388, 960485, 1152582, 1344679, 1920970, 2305164, 2689358, 2881455, 3841940, 4034037, 5378716, 5762910, 6723395, 8068074, 11525820, 13446790, 16136148, 20170185, 26893580, 40340370, 80680740]

約数ペア:

[(1, 80680740), (2, 40340370), (3, 26893580), (4, 20170185), (5, 16136148), (6, 13446790), (7, 11525820), (10, 8068074), (12, 6723395), (14, 5762910), (15, 5378716), (20, 4034037), (21, 3841940), (28, 2881455), (30, 2689358), (35, 2305164), (42, 1920970), (60, 1344679), (70, 1152582), (84, 960485), (105, 768388), (140, 576291), (210, 384194), (420, 192097)]