About the Number

1330731920

1330731919 ← → 1330731921

2進数表記:1001111010100010101101110010000

漢数字表記:十三億三千七十三万千九百二十

素因数分解:

2 4 × 5 1 × 7 1 × 439 1 × 5413 1

素因数の和:5872
約数の個数: 80
約数和(自身を含む): 3544654080
約数和(自身を除く): 2213922160

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 878, 1756, 2195, 3073, 3512, 4390, 5413, 6146, 7024, 8780, 10826, 12292, 15365, 17560, 21652, 24584, 27065, 30730, 35120, 37891, 43304, 49168, 54130, 61460, 75782, 86608, 108260, 122920, 151564, 189455, 216520, 245840, 303128, 378910, 433040, 606256, 757820, 1515640, 2376307, 3031280, 4752614, 9505228, 11881535, 16634149, 19010456, 23763070, 33268298, 38020912, 47526140, 66536596, 83170745, 95052280, 133073192, 166341490, 190104560, 266146384, 332682980, 665365960, 1330731920]

約数ペア:
[(1, 1330731920), (2, 665365960), (4, 332682980), (5, 266146384), (7, 190104560), (8, 166341490), (10, 133073192), (14, 95052280), (16, 83170745), (20, 66536596), (28, 47526140), (35, 38020912), (40, 33268298), (56, 23763070), (70, 19010456), (80, 16634149), (112, 11881535), (140, 9505228), (280, 4752614), (439, 3031280), (560, 2376307), (878, 1515640), (1756, 757820), (2195, 606256), (3073, 433040), (3512, 378910), (4390, 303128), (5413, 245840), (6146, 216520), (7024, 189455), (8780, 151564), (10826, 122920), (12292, 108260), (15365, 86608), (17560, 75782), (21652, 61460), (24584, 54130), (27065, 49168), (30730, 43304), (35120, 37891)]

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