74868780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178259}}^1$

素因数の和:178278

約数の個数: 48

約数和(自身を含む): 239581440

約数和(自身を除く): 164712660

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, 178259, 356518, 534777, 713036, 891295, 1069554, 1247813, 1782590, 2139108, 2495626, 2673885, 3565180, 3743439, 4991252, 5347770, 6239065, 7486878, 10695540, 12478130, 14973756, 18717195, 24956260, 37434390, 74868780]

約数ペア:

[(1, 74868780), (2, 37434390), (3, 24956260), (4, 18717195), (5, 14973756), (6, 12478130), (7, 10695540), (10, 7486878), (12, 6239065), (14, 5347770), (15, 4991252), (20, 3743439), (21, 3565180), (28, 2673885), (30, 2495626), (35, 2139108), (42, 1782590), (60, 1247813), (70, 1069554), (84, 891295), (105, 713036), (140, 534777), (210, 356518), (420, 178259)]