208799280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289999}}^1$

素因数の和:290018

約数の個数: 60

約数和(自身を含む): 701220000

約数和(自身を除く): 492420720

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, 720, 289999, 579998, 869997, 1159996, 1449995, 1739994, 2319992, 2609991, 2899990, 3479988, 4349985, 4639984, 5219982, 5799980, 6959976, 8699970, 10439964, 11599960, 13049955, 13919952, 17399940, 20879928, 23199920, 26099910, 34799880, 41759856, 52199820, 69599760, 104399640, 208799280]

約数ペア:

[(1, 208799280), (2, 104399640), (3, 69599760), (4, 52199820), (5, 41759856), (6, 34799880), (8, 26099910), (9, 23199920), (10, 20879928), (12, 17399940), (15, 13919952), (16, 13049955), (18, 11599960), (20, 10439964), (24, 8699970), (30, 6959976), (36, 5799980), (40, 5219982), (45, 4639984), (48, 4349985), (60, 3479988), (72, 2899990), (80, 2609991), (90, 2319992), (120, 1739994), (144, 1449995), (180, 1159996), (240, 869997), (360, 579998), (720, 289999)]