67648720

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2719}}^1$

素因数の和:3043

約数の個数: 40

約数和(自身を含む): 157847040

約数和(自身を除く): 90198320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 2719, 3110, 4976, 5438, 6220, 10876, 12440, 13595, 21752, 24880, 27190, 43504, 54380, 108760, 217520, 845609, 1691218, 3382436, 4228045, 6764872, 8456090, 13529744, 16912180, 33824360, 67648720]

約数ペア:

[(1, 67648720), (2, 33824360), (4, 16912180), (5, 13529744), (8, 8456090), (10, 6764872), (16, 4228045), (20, 3382436), (40, 1691218), (80, 845609), (311, 217520), (622, 108760), (1244, 54380), (1555, 43504), (2488, 27190), (2719, 24880), (3110, 21752), (4976, 13595), (5438, 12440), (6220, 10876)]