64317820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1061}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 154865088

約数和(自身を除く): 90547268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 866, 1061, 1732, 2122, 2165, 3031, 4244, 4330, 5305, 6062, 7427, 8660, 10610, 12124, 14854, 15155, 21220, 29708, 30310, 37135, 60620, 74270, 148540, 459413, 918826, 1837652, 2297065, 3215891, 4594130, 6431782, 9188260, 12863564, 16079455, 32158910, 64317820]

約数ペア:

[(1, 64317820), (2, 32158910), (4, 16079455), (5, 12863564), (7, 9188260), (10, 6431782), (14, 4594130), (20, 3215891), (28, 2297065), (35, 1837652), (70, 918826), (140, 459413), (433, 148540), (866, 74270), (1061, 60620), (1732, 37135), (2122, 30310), (2165, 29708), (3031, 21220), (4244, 15155), (4330, 14854), (5305, 12124), (6062, 10610), (7427, 8660)]