488777680

素因数分解:

$2^4\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{3919}}^1$

素因数の和:5491

約数の個数: 40

約数和(自身を含む): 1137427200

約数和(自身を除く): 648649520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1559, 3118, 3919, 6236, 7795, 7838, 12472, 15590, 15676, 19595, 24944, 31180, 31352, 39190, 62360, 62704, 78380, 124720, 156760, 313520, 6109721, 12219442, 24438884, 30548605, 48877768, 61097210, 97755536, 122194420, 244388840, 488777680]

約数ペア:

[(1, 488777680), (2, 244388840), (4, 122194420), (5, 97755536), (8, 61097210), (10, 48877768), (16, 30548605), (20, 24438884), (40, 12219442), (80, 6109721), (1559, 313520), (3118, 156760), (3919, 124720), (6236, 78380), (7795, 62704), (7838, 62360), (12472, 39190), (15590, 31352), (15676, 31180), (19595, 24944)]