218976720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{912403}}^1$

素因数の和:912419

約数の個数: 40

約数和(自身を含む): 678828576

約数和(自身を除く): 459851856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 912403, 1824806, 2737209, 3649612, 4562015, 5474418, 7299224, 9124030, 10948836, 13686045, 14598448, 18248060, 21897672, 27372090, 36496120, 43795344, 54744180, 72992240, 109488360, 218976720]

約数ペア:

[(1, 218976720), (2, 109488360), (3, 72992240), (4, 54744180), (5, 43795344), (6, 36496120), (8, 27372090), (10, 21897672), (12, 18248060), (15, 14598448), (16, 13686045), (20, 10948836), (24, 9124030), (30, 7299224), (40, 5474418), (48, 4562015), (60, 3649612), (80, 2737209), (120, 1824806), (240, 912403)]