646152640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{288461}}^1$

素因数の和:288485

約数の個数: 56

約数和(自身を含む): 1758464352

約数和(自身を除く): 1112311712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 288461, 576922, 1153844, 1442305, 2019227, 2307688, 2884610, 4038454, 4615376, 5769220, 8076908, 9230752, 10096135, 11538440, 16153816, 18461504, 20192270, 23076880, 32307632, 40384540, 46153760, 64615264, 80769080, 92307520, 129230528, 161538160, 323076320, 646152640]

約数ペア:

[(1, 646152640), (2, 323076320), (4, 161538160), (5, 129230528), (7, 92307520), (8, 80769080), (10, 64615264), (14, 46153760), (16, 40384540), (20, 32307632), (28, 23076880), (32, 20192270), (35, 18461504), (40, 16153816), (56, 11538440), (64, 10096135), (70, 9230752), (80, 8076908), (112, 5769220), (140, 4615376), (160, 4038454), (224, 2884610), (280, 2307688), (320, 2019227), (448, 1442305), (560, 1153844), (1120, 576922), (2240, 288461)]