128785320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{357737}}^1$

素因数の和:357754

約数の個数: 48

約数和(自身を含む): 418553460

約数和(自身を除く): 289768140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 357737, 715474, 1073211, 1430948, 1788685, 2146422, 2861896, 3219633, 3577370, 4292844, 5366055, 6439266, 7154740, 8585688, 10732110, 12878532, 14309480, 16098165, 21464220, 25757064, 32196330, 42928440, 64392660, 128785320]

約数ペア:

[(1, 128785320), (2, 64392660), (3, 42928440), (4, 32196330), (5, 25757064), (6, 21464220), (8, 16098165), (9, 14309480), (10, 12878532), (12, 10732110), (15, 8585688), (18, 7154740), (20, 6439266), (24, 5366055), (30, 4292844), (36, 3577370), (40, 3219633), (45, 2861896), (60, 2146422), (72, 1788685), (90, 1430948), (120, 1073211), (180, 715474), (360, 357737)]