668639760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21937}}^1$

素因数の和:22080

約数の個数: 80

約数和(自身を含む): 2089199616

約数和(自身を除く): 1420559856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 21937, 30480, 43874, 65811, 87748, 109685, 131622, 175496, 219370, 263244, 329055, 350992, 438740, 526488, 658110, 877480, 1052976, 1316220, 1754960, 2632440, 2785999, 5264880, 5571998, 8357997, 11143996, 13929995, 16715994, 22287992, 27859990, 33431988, 41789985, 44575984, 55719980, 66863976, 83579970, 111439960, 133727952, 167159940, 222879920, 334319880, 668639760]

約数ペア:

[(1, 668639760), (2, 334319880), (3, 222879920), (4, 167159940), (5, 133727952), (6, 111439960), (8, 83579970), (10, 66863976), (12, 55719980), (15, 44575984), (16, 41789985), (20, 33431988), (24, 27859990), (30, 22287992), (40, 16715994), (48, 13929995), (60, 11143996), (80, 8357997), (120, 5571998), (127, 5264880), (240, 2785999), (254, 2632440), (381, 1754960), (508, 1316220), (635, 1052976), (762, 877480), (1016, 658110), (1270, 526488), (1524, 438740), (1905, 350992), (2032, 329055), (2540, 263244), (3048, 219370), (3810, 175496), (5080, 131622), (6096, 109685), (7620, 87748), (10160, 65811), (15240, 43874), (21937, 30480)]