28980840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34501}}^1$

素因数の和:34522

約数の個数: 64

約数和(自身を含む): 99365760

約数和(自身を除く): 70384920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34501, 69002, 103503, 138004, 172505, 207006, 241507, 276008, 345010, 414012, 483014, 517515, 690020, 724521, 828024, 966028, 1035030, 1207535, 1380040, 1449042, 1932056, 2070060, 2415070, 2898084, 3622605, 4140120, 4830140, 5796168, 7245210, 9660280, 14490420, 28980840]

約数ペア:

[(1, 28980840), (2, 14490420), (3, 9660280), (4, 7245210), (5, 5796168), (6, 4830140), (7, 4140120), (8, 3622605), (10, 2898084), (12, 2415070), (14, 2070060), (15, 1932056), (20, 1449042), (21, 1380040), (24, 1207535), (28, 1035030), (30, 966028), (35, 828024), (40, 724521), (42, 690020), (56, 517515), (60, 483014), (70, 414012), (84, 345010), (105, 276008), (120, 241507), (140, 207006), (168, 172505), (210, 138004), (280, 103503), (420, 69002), (840, 34501)]