206549520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{860623}}^1$

素因数の和:860639

約数の個数: 40

約数和(自身を含む): 640304256

約数和(自身を除く): 433754736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 860623, 1721246, 2581869, 3442492, 4303115, 5163738, 6884984, 8606230, 10327476, 12909345, 13769968, 17212460, 20654952, 25818690, 34424920, 41309904, 51637380, 68849840, 103274760, 206549520]

約数ペア:

[(1, 206549520), (2, 103274760), (3, 68849840), (4, 51637380), (5, 41309904), (6, 34424920), (8, 25818690), (10, 20654952), (12, 17212460), (15, 13769968), (16, 12909345), (20, 10327476), (24, 8606230), (30, 6884984), (40, 5163738), (48, 4303115), (60, 3442492), (80, 2581869), (120, 1721246), (240, 860623)]