247157520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1029823}}^1$

素因数の和:1029839

約数の個数: 40

約数和(自身を含む): 766189056

約数和(自身を除く): 519031536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1029823, 2059646, 3089469, 4119292, 5149115, 6178938, 8238584, 10298230, 12357876, 15447345, 16477168, 20596460, 24715752, 30894690, 41192920, 49431504, 61789380, 82385840, 123578760, 247157520]

約数ペア:

[(1, 247157520), (2, 123578760), (3, 82385840), (4, 61789380), (5, 49431504), (6, 41192920), (8, 30894690), (10, 24715752), (12, 20596460), (15, 16477168), (16, 15447345), (20, 12357876), (24, 10298230), (30, 8238584), (40, 6178938), (48, 5149115), (60, 4119292), (80, 3089469), (120, 2059646), (240, 1029823)]