165120720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{688003}}^1$

素因数の和:688019

約数の個数: 40

約数和(自身を含む): 511874976

約数和(自身を除く): 346754256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 688003, 1376006, 2064009, 2752012, 3440015, 4128018, 5504024, 6880030, 8256036, 10320045, 11008048, 13760060, 16512072, 20640090, 27520120, 33024144, 41280180, 55040240, 82560360, 165120720]

約数ペア:

[(1, 165120720), (2, 82560360), (3, 55040240), (4, 41280180), (5, 33024144), (6, 27520120), (8, 20640090), (10, 16512072), (12, 13760060), (15, 11008048), (16, 10320045), (20, 8256036), (24, 6880030), (30, 5504024), (40, 4128018), (48, 3440015), (60, 2752012), (80, 2064009), (120, 1376006), (240, 688003)]