15427580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 21828100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 419, 526, 838, 1052, 1315, 1676, 1841, 2095, 2630, 2933, 3682, 4190, 5260, 5866, 7364, 8380, 9205, 11732, 14665, 18410, 29330, 36820, 58660, 110197, 220394, 440788, 550985, 771379, 1101970, 1542758, 2203940, 3085516, 3856895, 7713790, 15427580]

約数ペア:

[(1, 15427580), (2, 7713790), (4, 3856895), (5, 3085516), (7, 2203940), (10, 1542758), (14, 1101970), (20, 771379), (28, 550985), (35, 440788), (70, 220394), (140, 110197), (263, 58660), (419, 36820), (526, 29330), (838, 18410), (1052, 14665), (1315, 11732), (1676, 9205), (1841, 8380), (2095, 7364), (2630, 5866), (2933, 5260), (3682, 4190)]