1688471680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{376891}}^1$

素因数の和:376917

約数の個数: 64

約数和(自身を含む): 4613158080

約数和(自身を除く): 2924686400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 376891, 753782, 1507564, 1884455, 2638237, 3015128, 3768910, 5276474, 6030256, 7537820, 10552948, 12060512, 13191185, 15075640, 21105896, 24121024, 26382370, 30151280, 42211792, 48242048, 52764740, 60302560, 84423584, 105529480, 120605120, 168847168, 211058960, 241210240, 337694336, 422117920, 844235840, 1688471680]

約数ペア:

[(1, 1688471680), (2, 844235840), (4, 422117920), (5, 337694336), (7, 241210240), (8, 211058960), (10, 168847168), (14, 120605120), (16, 105529480), (20, 84423584), (28, 60302560), (32, 52764740), (35, 48242048), (40, 42211792), (56, 30151280), (64, 26382370), (70, 24121024), (80, 21105896), (112, 15075640), (128, 13191185), (140, 12060512), (160, 10552948), (224, 7537820), (280, 6030256), (320, 5276474), (448, 3768910), (560, 3015128), (640, 2638237), (896, 1884455), (1120, 1507564), (2240, 753782), (4480, 376891)]