80690640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{336211}}^1$

素因数の和:336227

約数の個数: 40

約数和(自身を含む): 250141728

約数和(自身を除く): 169451088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 336211, 672422, 1008633, 1344844, 1681055, 2017266, 2689688, 3362110, 4034532, 5043165, 5379376, 6724220, 8069064, 10086330, 13448440, 16138128, 20172660, 26896880, 40345320, 80690640]

約数ペア:

[(1, 80690640), (2, 40345320), (3, 26896880), (4, 20172660), (5, 16138128), (6, 13448440), (8, 10086330), (10, 8069064), (12, 6724220), (15, 5379376), (16, 5043165), (20, 4034532), (24, 3362110), (30, 2689688), (40, 2017266), (48, 1681055), (60, 1344844), (80, 1008633), (120, 672422), (240, 336211)]