7240520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 19612800

約数和(自身を除く): 12372280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 1361, 2660, 2722, 5320, 5444, 6805, 9527, 10888, 13610, 19054, 25859, 27220, 38108, 47635, 51718, 54440, 76216, 95270, 103436, 129295, 181013, 190540, 206872, 258590, 362026, 381080, 517180, 724052, 905065, 1034360, 1448104, 1810130, 3620260, 7240520]

約数ペア:

[(1, 7240520), (2, 3620260), (4, 1810130), (5, 1448104), (7, 1034360), (8, 905065), (10, 724052), (14, 517180), (19, 381080), (20, 362026), (28, 258590), (35, 206872), (38, 190540), (40, 181013), (56, 129295), (70, 103436), (76, 95270), (95, 76216), (133, 54440), (140, 51718), (152, 47635), (190, 38108), (266, 27220), (280, 25859), (380, 19054), (532, 13610), (665, 10888), (760, 9527), (1064, 6805), (1330, 5444), (1361, 5320), (2660, 2722)]