206521680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{860507}}^1$

素因数の和:860523

約数の個数: 40

約数和(自身を含む): 640217952

約数和(自身を除く): 433696272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 860507, 1721014, 2581521, 3442028, 4302535, 5163042, 6884056, 8605070, 10326084, 12907605, 13768112, 17210140, 20652168, 25815210, 34420280, 41304336, 51630420, 68840560, 103260840, 206521680]

約数ペア:

[(1, 206521680), (2, 103260840), (3, 68840560), (4, 51630420), (5, 41304336), (6, 34420280), (8, 25815210), (10, 20652168), (12, 17210140), (15, 13768112), (16, 12907605), (20, 10326084), (24, 8605070), (30, 6884056), (40, 5163042), (48, 4302535), (60, 3442028), (80, 2581521), (120, 1721014), (240, 860507)]