55737780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{132709}}^1$

素因数の和:132728

約数の個数: 48

約数和(自身を含む): 178362240

約数和(自身を除く): 122624460

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, 132709, 265418, 398127, 530836, 663545, 796254, 928963, 1327090, 1592508, 1857926, 1990635, 2654180, 2786889, 3715852, 3981270, 4644815, 5573778, 7962540, 9289630, 11147556, 13934445, 18579260, 27868890, 55737780]

約数ペア:

[(1, 55737780), (2, 27868890), (3, 18579260), (4, 13934445), (5, 11147556), (6, 9289630), (7, 7962540), (10, 5573778), (12, 4644815), (14, 3981270), (15, 3715852), (20, 2786889), (21, 2654180), (28, 1990635), (30, 1857926), (35, 1592508), (42, 1327090), (60, 928963), (70, 796254), (84, 663545), (105, 530836), (140, 398127), (210, 265418), (420, 132709)]