79381680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47251}}^1$

素因数の和:47274

約数の個数: 80

約数和(自身を含む): 281243904

約数和(自身を除く): 201862224

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, 47251, 94502, 141753, 189004, 236255, 283506, 330757, 378008, 472510, 567012, 661514, 708765, 756016, 945020, 992271, 1134024, 1323028, 1417530, 1653785, 1890040, 1984542, 2268048, 2646056, 2835060, 3307570, 3780080, 3969084, 4961355, 5292112, 5670120, 6615140, 7938168, 9922710, 11340240, 13230280, 15876336, 19845420, 26460560, 39690840, 79381680]

約数ペア:

[(1, 79381680), (2, 39690840), (3, 26460560), (4, 19845420), (5, 15876336), (6, 13230280), (7, 11340240), (8, 9922710), (10, 7938168), (12, 6615140), (14, 5670120), (15, 5292112), (16, 4961355), (20, 3969084), (21, 3780080), (24, 3307570), (28, 2835060), (30, 2646056), (35, 2268048), (40, 1984542), (42, 1890040), (48, 1653785), (56, 1417530), (60, 1323028), (70, 1134024), (80, 992271), (84, 945020), (105, 756016), (112, 708765), (120, 661514), (140, 567012), (168, 472510), (210, 378008), (240, 330757), (280, 283506), (336, 236255), (420, 189004), (560, 141753), (840, 94502), (1680, 47251)]