28193940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 96

約数和(自身を含む): 88704000

約数和(自身を除く): 60510060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 180, 218, 270, 327, 436, 479, 540, 545, 654, 958, 981, 1090, 1308, 1437, 1635, 1916, 1962, 2180, 2395, 2874, 2943, 3270, 3924, 4311, 4790, 4905, 5748, 5886, 6540, 7185, 8622, 9580, 9810, 11772, 12933, 14370, 14715, 17244, 19620, 21555, 25866, 28740, 29430, 43110, 51732, 52211, 58860, 64665, 86220, 104422, 129330, 156633, 208844, 258660, 261055, 313266, 469899, 522110, 626532, 783165, 939798, 1044220, 1409697, 1566330, 1879596, 2349495, 2819394, 3132660, 4698990, 5638788, 7048485, 9397980, 14096970, 28193940]

約数ペア:

[(1, 28193940), (2, 14096970), (3, 9397980), (4, 7048485), (5, 5638788), (6, 4698990), (9, 3132660), (10, 2819394), (12, 2349495), (15, 1879596), (18, 1566330), (20, 1409697), (27, 1044220), (30, 939798), (36, 783165), (45, 626532), (54, 522110), (60, 469899), (90, 313266), (108, 261055), (109, 258660), (135, 208844), (180, 156633), (218, 129330), (270, 104422), (327, 86220), (436, 64665), (479, 58860), (540, 52211), (545, 51732), (654, 43110), (958, 29430), (981, 28740), (1090, 25866), (1308, 21555), (1437, 19620), (1635, 17244), (1916, 14715), (1962, 14370), (2180, 12933), (2395, 11772), (2874, 9810), (2943, 9580), (3270, 8622), (3924, 7185), (4311, 6540), (4790, 5886), (4905, 5748)]