28180320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{8387}}^1$

素因数の和:8412

約数の個数: 96

約数和(自身を含む): 101461248

約数和(自身を除く): 73280928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 8387, 16774, 25161, 33548, 41935, 50322, 58709, 67096, 83870, 100644, 117418, 125805, 134192, 167740, 176127, 201288, 234836, 251610, 268384, 293545, 335480, 352254, 402576, 469672, 503220, 587090, 670960, 704508, 805152, 880635, 939344, 1006440, 1174180, 1341920, 1409016, 1761270, 1878688, 2012880, 2348360, 2818032, 3522540, 4025760, 4696720, 5636064, 7045080, 9393440, 14090160, 28180320]

約数ペア:

[(1, 28180320), (2, 14090160), (3, 9393440), (4, 7045080), (5, 5636064), (6, 4696720), (7, 4025760), (8, 3522540), (10, 2818032), (12, 2348360), (14, 2012880), (15, 1878688), (16, 1761270), (20, 1409016), (21, 1341920), (24, 1174180), (28, 1006440), (30, 939344), (32, 880635), (35, 805152), (40, 704508), (42, 670960), (48, 587090), (56, 503220), (60, 469672), (70, 402576), (80, 352254), (84, 335480), (96, 293545), (105, 268384), (112, 251610), (120, 234836), (140, 201288), (160, 176127), (168, 167740), (210, 134192), (224, 125805), (240, 117418), (280, 100644), (336, 83870), (420, 67096), (480, 58709), (560, 50322), (672, 41935), (840, 33548), (1120, 25161), (1680, 16774), (3360, 8387)]