28877520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17189}}^1$

素因数の和:17212

約数の個数: 80

約数和(自身を含む): 102314880

約数和(自身を除く): 73437360

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, 17189, 34378, 51567, 68756, 85945, 103134, 120323, 137512, 171890, 206268, 240646, 257835, 275024, 343780, 360969, 412536, 481292, 515670, 601615, 687560, 721938, 825072, 962584, 1031340, 1203230, 1375120, 1443876, 1804845, 1925168, 2062680, 2406460, 2887752, 3609690, 4125360, 4812920, 5775504, 7219380, 9625840, 14438760, 28877520]

約数ペア:

[(1, 28877520), (2, 14438760), (3, 9625840), (4, 7219380), (5, 5775504), (6, 4812920), (7, 4125360), (8, 3609690), (10, 2887752), (12, 2406460), (14, 2062680), (15, 1925168), (16, 1804845), (20, 1443876), (21, 1375120), (24, 1203230), (28, 1031340), (30, 962584), (35, 825072), (40, 721938), (42, 687560), (48, 601615), (56, 515670), (60, 481292), (70, 412536), (80, 360969), (84, 343780), (105, 275024), (112, 257835), (120, 240646), (140, 206268), (168, 171890), (210, 137512), (240, 120323), (280, 103134), (336, 85945), (420, 68756), (560, 51567), (840, 34378), (1680, 17189)]