128282240

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1\times {\mathrm{883}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 308374560

約数和(自身を除く): 180092320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 320, 454, 640, 883, 908, 1135, 1766, 1816, 2270, 3532, 3632, 4415, 4540, 7064, 7264, 8830, 9080, 14128, 14528, 17660, 18160, 28256, 29056, 35320, 36320, 56512, 70640, 72640, 113024, 141280, 145280, 200441, 282560, 400882, 565120, 801764, 1002205, 1603528, 2004410, 3207056, 4008820, 6414112, 8017640, 12828224, 16035280, 25656448, 32070560, 64141120, 128282240]

約数ペア:

[(1, 128282240), (2, 64141120), (4, 32070560), (5, 25656448), (8, 16035280), (10, 12828224), (16, 8017640), (20, 6414112), (32, 4008820), (40, 3207056), (64, 2004410), (80, 1603528), (128, 1002205), (160, 801764), (227, 565120), (320, 400882), (454, 282560), (640, 200441), (883, 145280), (908, 141280), (1135, 113024), (1766, 72640), (1816, 70640), (2270, 56512), (3532, 36320), (3632, 35320), (4415, 29056), (4540, 28256), (7064, 18160), (7264, 17660), (8830, 14528), (9080, 14128)]