28202160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16787}}^1$

素因数の和:16810

約数の個数: 80

約数和(自身を含む): 99922176

約数和(自身を除く): 71720016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16787, 33574, 50361, 67148, 83935, 100722, 117509, 134296, 167870, 201444, 235018, 251805, 268592, 335740, 352527, 402888, 470036, 503610, 587545, 671480, 705054, 805776, 940072, 1007220, 1175090, 1342960, 1410108, 1762635, 1880144, 2014440, 2350180, 2820216, 3525270, 4028880, 4700360, 5640432, 7050540, 9400720, 14101080, 28202160]

約数ペア:

[(1, 28202160), (2, 14101080), (3, 9400720), (4, 7050540), (5, 5640432), (6, 4700360), (7, 4028880), (8, 3525270), (10, 2820216), (12, 2350180), (14, 2014440), (15, 1880144), (16, 1762635), (20, 1410108), (21, 1342960), (24, 1175090), (28, 1007220), (30, 940072), (35, 805776), (40, 705054), (42, 671480), (48, 587545), (56, 503610), (60, 470036), (70, 402888), (80, 352527), (84, 335740), (105, 268592), (112, 251805), (120, 235018), (140, 201444), (168, 167870), (210, 134296), (240, 117509), (280, 100722), (336, 83935), (420, 67148), (560, 50361), (840, 33574), (1680, 16787)]