128640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1$

素因数の和:89

約数の個数: 64

約数和(自身を含む): 416160

約数和(自身を除く): 287520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 320, 335, 384, 402, 480, 536, 640, 670, 804, 960, 1005, 1072, 1340, 1608, 1920, 2010, 2144, 2680, 3216, 4020, 4288, 5360, 6432, 8040, 8576, 10720, 12864, 16080, 21440, 25728, 32160, 42880, 64320, 128640]

約数ペア:

[(1, 128640), (2, 64320), (3, 42880), (4, 32160), (5, 25728), (6, 21440), (8, 16080), (10, 12864), (12, 10720), (15, 8576), (16, 8040), (20, 6432), (24, 5360), (30, 4288), (32, 4020), (40, 3216), (48, 2680), (60, 2144), (64, 2010), (67, 1920), (80, 1608), (96, 1340), (120, 1072), (128, 1005), (134, 960), (160, 804), (192, 670), (201, 640), (240, 536), (268, 480), (320, 402), (335, 384)]