64011520

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1227

約数の個数: 72

約数和(自身を含む): 157028256

約数和(自身を除く): 93016736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1163, 1280, 1376, 1720, 2326, 2752, 3440, 4652, 5504, 5815, 6880, 9304, 11008, 11630, 13760, 18608, 23260, 27520, 37216, 46520, 50009, 55040, 74432, 93040, 100018, 148864, 186080, 200036, 250045, 297728, 372160, 400072, 500090, 744320, 800144, 1000180, 1488640, 1600288, 2000360, 3200576, 4000720, 6401152, 8001440, 12802304, 16002880, 32005760, 64011520]

約数ペア:

[(1, 64011520), (2, 32005760), (4, 16002880), (5, 12802304), (8, 8001440), (10, 6401152), (16, 4000720), (20, 3200576), (32, 2000360), (40, 1600288), (43, 1488640), (64, 1000180), (80, 800144), (86, 744320), (128, 500090), (160, 400072), (172, 372160), (215, 297728), (256, 250045), (320, 200036), (344, 186080), (430, 148864), (640, 100018), (688, 93040), (860, 74432), (1163, 55040), (1280, 50009), (1376, 46520), (1720, 37216), (2326, 27520), (2752, 23260), (3440, 18608), (4652, 13760), (5504, 11630), (5815, 11008), (6880, 9304)]