79360720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 196416000

約数和(自身を除く): 117055280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 479, 545, 760, 872, 958, 1090, 1520, 1744, 1916, 2071, 2180, 2395, 3832, 4142, 4360, 4790, 7664, 8284, 8720, 9101, 9580, 10355, 16568, 18202, 19160, 20710, 33136, 36404, 38320, 41420, 45505, 52211, 72808, 82840, 91010, 104422, 145616, 165680, 182020, 208844, 261055, 364040, 417688, 522110, 728080, 835376, 992009, 1044220, 1984018, 2088440, 3968036, 4176880, 4960045, 7936072, 9920090, 15872144, 19840180, 39680360, 79360720]

約数ペア:

[(1, 79360720), (2, 39680360), (4, 19840180), (5, 15872144), (8, 9920090), (10, 7936072), (16, 4960045), (19, 4176880), (20, 3968036), (38, 2088440), (40, 1984018), (76, 1044220), (80, 992009), (95, 835376), (109, 728080), (152, 522110), (190, 417688), (218, 364040), (304, 261055), (380, 208844), (436, 182020), (479, 165680), (545, 145616), (760, 104422), (872, 91010), (958, 82840), (1090, 72808), (1520, 52211), (1744, 45505), (1916, 41420), (2071, 38320), (2180, 36404), (2395, 33136), (3832, 20710), (4142, 19160), (4360, 18202), (4790, 16568), (7664, 10355), (8284, 9580), (8720, 9101)]