66163720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33757}}^1$

素因数の和:33782

約数の個数: 48

約数和(自身を含む): 173178540

約数和(自身を除く): 107014820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33757, 67514, 135028, 168785, 236299, 270056, 337570, 472598, 675140, 945196, 1181495, 1350280, 1654093, 1890392, 2362990, 3308186, 4725980, 6616372, 8270465, 9451960, 13232744, 16540930, 33081860, 66163720]

約数ペア:

[(1, 66163720), (2, 33081860), (4, 16540930), (5, 13232744), (7, 9451960), (8, 8270465), (10, 6616372), (14, 4725980), (20, 3308186), (28, 2362990), (35, 1890392), (40, 1654093), (49, 1350280), (56, 1181495), (70, 945196), (98, 675140), (140, 472598), (196, 337570), (245, 270056), (280, 236299), (392, 168785), (490, 135028), (980, 67514), (1960, 33757)]