168976640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18859}}^1$

素因数の和:18887

約数の個数: 72

約数和(自身を含む): 462598080

約数和(自身を除く): 293621440

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18859, 37718, 75436, 94295, 132013, 150872, 188590, 264026, 301744, 377180, 528052, 603488, 660065, 754360, 1056104, 1206976, 1320130, 1508720, 2112208, 2413952, 2640260, 3017440, 4224416, 4827904, 5280520, 6034880, 8448832, 10561040, 12069760, 16897664, 21122080, 24139520, 33795328, 42244160, 84488320, 168976640]

約数ペア:

[(1, 168976640), (2, 84488320), (4, 42244160), (5, 33795328), (7, 24139520), (8, 21122080), (10, 16897664), (14, 12069760), (16, 10561040), (20, 8448832), (28, 6034880), (32, 5280520), (35, 4827904), (40, 4224416), (56, 3017440), (64, 2640260), (70, 2413952), (80, 2112208), (112, 1508720), (128, 1320130), (140, 1206976), (160, 1056104), (224, 754360), (256, 660065), (280, 603488), (320, 528052), (448, 377180), (560, 301744), (640, 264026), (896, 188590), (1120, 150872), (1280, 132013), (1792, 94295), (2240, 75436), (4480, 37718), (8960, 18859)]