678679920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1889}}^1$

素因数の和:2407

約数の個数: 120

約数和(自身を含む): 2285010000

約数和(自身を除く): 1606330080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 499, 720, 998, 1497, 1889, 1996, 2495, 2994, 3778, 3992, 4491, 4990, 5667, 5988, 7485, 7556, 7984, 8982, 9445, 9980, 11334, 11976, 14970, 15112, 17001, 17964, 18890, 19960, 22455, 22668, 23952, 28335, 29940, 30224, 34002, 35928, 37780, 39920, 44910, 45336, 56670, 59880, 68004, 71856, 75560, 85005, 89820, 90672, 113340, 119760, 136008, 151120, 170010, 179640, 226680, 272016, 340020, 359280, 453360, 680040, 942611, 1360080, 1885222, 2827833, 3770444, 4713055, 5655666, 7540888, 8483499, 9426110, 11311332, 14139165, 15081776, 16966998, 18852220, 22622664, 28278330, 33933996, 37704440, 42417495, 45245328, 56556660, 67867992, 75408880, 84834990, 113113320, 135735984, 169669980, 226226640, 339339960, 678679920]

約数ペア:

[(1, 678679920), (2, 339339960), (3, 226226640), (4, 169669980), (5, 135735984), (6, 113113320), (8, 84834990), (9, 75408880), (10, 67867992), (12, 56556660), (15, 45245328), (16, 42417495), (18, 37704440), (20, 33933996), (24, 28278330), (30, 22622664), (36, 18852220), (40, 16966998), (45, 15081776), (48, 14139165), (60, 11311332), (72, 9426110), (80, 8483499), (90, 7540888), (120, 5655666), (144, 4713055), (180, 3770444), (240, 2827833), (360, 1885222), (499, 1360080), (720, 942611), (998, 680040), (1497, 453360), (1889, 359280), (1996, 340020), (2495, 272016), (2994, 226680), (3778, 179640), (3992, 170010), (4491, 151120), (4990, 136008), (5667, 119760), (5988, 113340), (7485, 90672), (7556, 89820), (7984, 85005), (8982, 75560), (9445, 71856), (9980, 68004), (11334, 59880), (11976, 56670), (14970, 45336), (15112, 44910), (17001, 39920), (17964, 37780), (18890, 35928), (19960, 34002), (22455, 30224), (22668, 29940), (23952, 28335)]