28054320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16699}}^1$

素因数の和:16722

約数の個数: 80

約数和(自身を含む): 99398400

約数和(自身を除く): 71344080

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, 16699, 33398, 50097, 66796, 83495, 100194, 116893, 133592, 166990, 200388, 233786, 250485, 267184, 333980, 350679, 400776, 467572, 500970, 584465, 667960, 701358, 801552, 935144, 1001940, 1168930, 1335920, 1402716, 1753395, 1870288, 2003880, 2337860, 2805432, 3506790, 4007760, 4675720, 5610864, 7013580, 9351440, 14027160, 28054320]

約数ペア:

[(1, 28054320), (2, 14027160), (3, 9351440), (4, 7013580), (5, 5610864), (6, 4675720), (7, 4007760), (8, 3506790), (10, 2805432), (12, 2337860), (14, 2003880), (15, 1870288), (16, 1753395), (20, 1402716), (21, 1335920), (24, 1168930), (28, 1001940), (30, 935144), (35, 801552), (40, 701358), (42, 667960), (48, 584465), (56, 500970), (60, 467572), (70, 400776), (80, 350679), (84, 333980), (105, 267184), (112, 250485), (120, 233786), (140, 200388), (168, 166990), (210, 133592), (240, 116893), (280, 100194), (336, 83495), (420, 66796), (560, 50097), (840, 33398), (1680, 16699)]