66881920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14929}}^1$

素因数の和:14955

約数の個数: 64

約数和(自身を含む): 182743200

約数和(自身を除く): 115861280

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, 14929, 29858, 59716, 74645, 104503, 119432, 149290, 209006, 238864, 298580, 418012, 477728, 522515, 597160, 836024, 955456, 1045030, 1194320, 1672048, 1910912, 2090060, 2388640, 3344096, 4180120, 4777280, 6688192, 8360240, 9554560, 13376384, 16720480, 33440960, 66881920]

約数ペア:

[(1, 66881920), (2, 33440960), (4, 16720480), (5, 13376384), (7, 9554560), (8, 8360240), (10, 6688192), (14, 4777280), (16, 4180120), (20, 3344096), (28, 2388640), (32, 2090060), (35, 1910912), (40, 1672048), (56, 1194320), (64, 1045030), (70, 955456), (80, 836024), (112, 597160), (128, 522515), (140, 477728), (160, 418012), (224, 298580), (280, 238864), (320, 209006), (448, 149290), (560, 119432), (640, 104503), (896, 74645), (1120, 59716), (2240, 29858), (4480, 14929)]