28726320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17099}}^1$

素因数の和:17122

約数の個数: 80

約数和(自身を含む): 101779200

約数和(自身を除く): 73052880

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, 17099, 34198, 51297, 68396, 85495, 102594, 119693, 136792, 170990, 205188, 239386, 256485, 273584, 341980, 359079, 410376, 478772, 512970, 598465, 683960, 718158, 820752, 957544, 1025940, 1196930, 1367920, 1436316, 1795395, 1915088, 2051880, 2393860, 2872632, 3590790, 4103760, 4787720, 5745264, 7181580, 9575440, 14363160, 28726320]

約数ペア:

[(1, 28726320), (2, 14363160), (3, 9575440), (4, 7181580), (5, 5745264), (6, 4787720), (7, 4103760), (8, 3590790), (10, 2872632), (12, 2393860), (14, 2051880), (15, 1915088), (16, 1795395), (20, 1436316), (21, 1367920), (24, 1196930), (28, 1025940), (30, 957544), (35, 820752), (40, 718158), (42, 683960), (48, 598465), (56, 512970), (60, 478772), (70, 410376), (80, 359079), (84, 341980), (105, 273584), (112, 256485), (120, 239386), (140, 205188), (168, 170990), (210, 136792), (240, 119693), (280, 102594), (336, 85495), (420, 68396), (560, 51297), (840, 34198), (1680, 17099)]