168336640

素因数分解:

$2^8\times 5^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 405447840

約数和(自身を除く): 237111200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 347, 379, 640, 694, 758, 1280, 1388, 1516, 1735, 1895, 2776, 3032, 3470, 3790, 5552, 6064, 6940, 7580, 11104, 12128, 13880, 15160, 22208, 24256, 27760, 30320, 44416, 48512, 55520, 60640, 88832, 97024, 111040, 121280, 131513, 222080, 242560, 263026, 444160, 485120, 526052, 657565, 1052104, 1315130, 2104208, 2630260, 4208416, 5260520, 8416832, 10521040, 16833664, 21042080, 33667328, 42084160, 84168320, 168336640]

約数ペア:

[(1, 168336640), (2, 84168320), (4, 42084160), (5, 33667328), (8, 21042080), (10, 16833664), (16, 10521040), (20, 8416832), (32, 5260520), (40, 4208416), (64, 2630260), (80, 2104208), (128, 1315130), (160, 1052104), (256, 657565), (320, 526052), (347, 485120), (379, 444160), (640, 263026), (694, 242560), (758, 222080), (1280, 131513), (1388, 121280), (1516, 111040), (1735, 97024), (1895, 88832), (2776, 60640), (3032, 55520), (3470, 48512), (3790, 44416), (5552, 30320), (6064, 27760), (6940, 24256), (7580, 22208), (11104, 15160), (12128, 13880)]