21779280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3361}}^1$

素因数の和:3386

約数の個数: 100

約数和(自身を含む): 75665172

約数和(自身を除く): 53885892

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 3361, 6480, 6722, 10083, 13444, 16805, 20166, 26888, 30249, 33610, 40332, 50415, 53776, 60498, 67220, 80664, 90747, 100830, 120996, 134440, 151245, 161328, 181494, 201660, 241992, 268880, 272241, 302490, 362988, 403320, 453735, 483984, 544482, 604980, 725976, 806640, 907470, 1088964, 1209960, 1361205, 1451952, 1814940, 2177928, 2419920, 2722410, 3629880, 4355856, 5444820, 7259760, 10889640, 21779280]

約数ペア:

[(1, 21779280), (2, 10889640), (3, 7259760), (4, 5444820), (5, 4355856), (6, 3629880), (8, 2722410), (9, 2419920), (10, 2177928), (12, 1814940), (15, 1451952), (16, 1361205), (18, 1209960), (20, 1088964), (24, 907470), (27, 806640), (30, 725976), (36, 604980), (40, 544482), (45, 483984), (48, 453735), (54, 403320), (60, 362988), (72, 302490), (80, 272241), (81, 268880), (90, 241992), (108, 201660), (120, 181494), (135, 161328), (144, 151245), (162, 134440), (180, 120996), (216, 100830), (240, 90747), (270, 80664), (324, 67220), (360, 60498), (405, 53776), (432, 50415), (540, 40332), (648, 33610), (720, 30249), (810, 26888), (1080, 20166), (1296, 16805), (1620, 13444), (2160, 10083), (3240, 6722), (3361, 6480)]