780478560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{541999}}^1$

素因数の和:542020

約数の個数: 72

約数和(自身を含む): 2663388000

約数和(自身を除く): 1882909440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 541999, 1083998, 1625997, 2167996, 2709995, 3251994, 4335992, 4877991, 5419990, 6503988, 8129985, 8671984, 9755982, 10839980, 13007976, 16259970, 17343968, 19511964, 21679960, 24389955, 26015952, 32519940, 39023928, 43359920, 48779910, 52031904, 65039880, 78047856, 86719840, 97559820, 130079760, 156095712, 195119640, 260159520, 390239280, 780478560]

約数ペア:

[(1, 780478560), (2, 390239280), (3, 260159520), (4, 195119640), (5, 156095712), (6, 130079760), (8, 97559820), (9, 86719840), (10, 78047856), (12, 65039880), (15, 52031904), (16, 48779910), (18, 43359920), (20, 39023928), (24, 32519940), (30, 26015952), (32, 24389955), (36, 21679960), (40, 19511964), (45, 17343968), (48, 16259970), (60, 13007976), (72, 10839980), (80, 9755982), (90, 8671984), (96, 8129985), (120, 6503988), (144, 5419990), (160, 4877991), (180, 4335992), (240, 3251994), (288, 2709995), (360, 2167996), (480, 1625997), (720, 1083998), (1440, 541999)]