255406720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17351}}^1$

素因数の和:17393

約数の個数: 64

約数和(自身を含む): 637165440

約数和(自身を除く): 381758720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 17351, 34702, 69404, 86755, 138808, 173510, 277616, 347020, 399073, 555232, 694040, 798146, 1110464, 1388080, 1596292, 1995365, 2220928, 2776160, 3192584, 3990730, 5552320, 6385168, 7981460, 11104640, 12770336, 15962920, 25540672, 31925840, 51081344, 63851680, 127703360, 255406720]

約数ペア:

[(1, 255406720), (2, 127703360), (4, 63851680), (5, 51081344), (8, 31925840), (10, 25540672), (16, 15962920), (20, 12770336), (23, 11104640), (32, 7981460), (40, 6385168), (46, 5552320), (64, 3990730), (80, 3192584), (92, 2776160), (115, 2220928), (128, 1995365), (160, 1596292), (184, 1388080), (230, 1110464), (320, 798146), (368, 694040), (460, 555232), (640, 399073), (736, 347020), (920, 277616), (1472, 173510), (1840, 138808), (2944, 86755), (3680, 69404), (7360, 34702), (14720, 17351)]