66731980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4373}}^1$

素因数の和:4498

約数の個数: 48

約数和(自身を含む): 161663040

約数和(自身を除く): 94931060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4373, 7630, 8746, 15260, 17492, 21865, 30611, 43730, 61222, 87460, 122444, 153055, 306110, 476657, 612220, 953314, 1906628, 2383285, 3336599, 4766570, 6673198, 9533140, 13346396, 16682995, 33365990, 66731980]

約数ペア:

[(1, 66731980), (2, 33365990), (4, 16682995), (5, 13346396), (7, 9533140), (10, 6673198), (14, 4766570), (20, 3336599), (28, 2383285), (35, 1906628), (70, 953314), (109, 612220), (140, 476657), (218, 306110), (436, 153055), (545, 122444), (763, 87460), (1090, 61222), (1526, 43730), (2180, 30611), (3052, 21865), (3815, 17492), (4373, 15260), (7630, 8746)]