64544620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1913}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 155631168

約数和(自身を除く): 91086548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 1913, 2410, 3374, 3826, 4820, 6748, 7652, 8435, 9565, 13391, 16870, 19130, 26782, 33740, 38260, 53564, 66955, 133910, 267820, 461033, 922066, 1844132, 2305165, 3227231, 4610330, 6454462, 9220660, 12908924, 16136155, 32272310, 64544620]

約数ペア:

[(1, 64544620), (2, 32272310), (4, 16136155), (5, 12908924), (7, 9220660), (10, 6454462), (14, 4610330), (20, 3227231), (28, 2305165), (35, 1844132), (70, 922066), (140, 461033), (241, 267820), (482, 133910), (964, 66955), (1205, 53564), (1687, 38260), (1913, 33740), (2410, 26782), (3374, 19130), (3826, 16870), (4820, 13391), (6748, 9565), (7652, 8435)]