27983760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16657}}^1$

素因数の和:16680

約数の個数: 80

約数和(自身を含む): 99148416

約数和(自身を除く): 71164656

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, 16657, 33314, 49971, 66628, 83285, 99942, 116599, 133256, 166570, 199884, 233198, 249855, 266512, 333140, 349797, 399768, 466396, 499710, 582995, 666280, 699594, 799536, 932792, 999420, 1165990, 1332560, 1399188, 1748985, 1865584, 1998840, 2331980, 2798376, 3497970, 3997680, 4663960, 5596752, 6995940, 9327920, 13991880, 27983760]

約数ペア:

[(1, 27983760), (2, 13991880), (3, 9327920), (4, 6995940), (5, 5596752), (6, 4663960), (7, 3997680), (8, 3497970), (10, 2798376), (12, 2331980), (14, 1998840), (15, 1865584), (16, 1748985), (20, 1399188), (21, 1332560), (24, 1165990), (28, 999420), (30, 932792), (35, 799536), (40, 699594), (42, 666280), (48, 582995), (56, 499710), (60, 466396), (70, 399768), (80, 349797), (84, 333140), (105, 266512), (112, 249855), (120, 233198), (140, 199884), (168, 166570), (210, 133256), (240, 116599), (280, 99942), (336, 83285), (420, 66628), (560, 49971), (840, 33314), (1680, 16657)]