90123720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1373}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 271062720

約数和(自身を除く): 180939000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 547, 1094, 1373, 1641, 2188, 2735, 2746, 3282, 4119, 4376, 5470, 5492, 6564, 6865, 8205, 8238, 10940, 10984, 13128, 13730, 16410, 16476, 20595, 21880, 27460, 32820, 32952, 41190, 54920, 65640, 82380, 164760, 751031, 1502062, 2253093, 3004124, 3755155, 4506186, 6008248, 7510310, 9012372, 11265465, 15020620, 18024744, 22530930, 30041240, 45061860, 90123720]

約数ペア:

[(1, 90123720), (2, 45061860), (3, 30041240), (4, 22530930), (5, 18024744), (6, 15020620), (8, 11265465), (10, 9012372), (12, 7510310), (15, 6008248), (20, 4506186), (24, 3755155), (30, 3004124), (40, 2253093), (60, 1502062), (120, 751031), (547, 164760), (1094, 82380), (1373, 65640), (1641, 54920), (2188, 41190), (2735, 32952), (2746, 32820), (3282, 27460), (4119, 21880), (4376, 20595), (5470, 16476), (5492, 16410), (6564, 13730), (6865, 13128), (8205, 10984), (8238, 10940)]