28321440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{8429}}^1$

素因数の和:8454

約数の個数: 96

約数和(自身を含む): 101969280

約数和(自身を除く): 73647840

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, 8429, 16858, 25287, 33716, 42145, 50574, 59003, 67432, 84290, 101148, 118006, 126435, 134864, 168580, 177009, 202296, 236012, 252870, 269728, 295015, 337160, 354018, 404592, 472024, 505740, 590030, 674320, 708036, 809184, 885045, 944048, 1011480, 1180060, 1348640, 1416072, 1770090, 1888096, 2022960, 2360120, 2832144, 3540180, 4045920, 4720240, 5664288, 7080360, 9440480, 14160720, 28321440]

約数ペア:

[(1, 28321440), (2, 14160720), (3, 9440480), (4, 7080360), (5, 5664288), (6, 4720240), (7, 4045920), (8, 3540180), (10, 2832144), (12, 2360120), (14, 2022960), (15, 1888096), (16, 1770090), (20, 1416072), (21, 1348640), (24, 1180060), (28, 1011480), (30, 944048), (32, 885045), (35, 809184), (40, 708036), (42, 674320), (48, 590030), (56, 505740), (60, 472024), (70, 404592), (80, 354018), (84, 337160), (96, 295015), (105, 269728), (112, 252870), (120, 236012), (140, 202296), (160, 177009), (168, 168580), (210, 134864), (224, 126435), (240, 118006), (280, 101148), (336, 84290), (420, 67432), (480, 59003), (560, 50574), (672, 42145), (840, 33716), (1120, 25287), (1680, 16858), (3360, 8429)]