28079640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77999}}^1$

素因数の和:78016

約数の個数: 48

約数和(自身を含む): 91260000

約数和(自身を除く): 63180360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 77999, 155998, 233997, 311996, 389995, 467994, 623992, 701991, 779990, 935988, 1169985, 1403982, 1559980, 1871976, 2339970, 2807964, 3119960, 3509955, 4679940, 5615928, 7019910, 9359880, 14039820, 28079640]

約数ペア:

[(1, 28079640), (2, 14039820), (3, 9359880), (4, 7019910), (5, 5615928), (6, 4679940), (8, 3509955), (9, 3119960), (10, 2807964), (12, 2339970), (15, 1871976), (18, 1559980), (20, 1403982), (24, 1169985), (30, 935988), (36, 779990), (40, 701991), (45, 623992), (60, 467994), (72, 389995), (90, 311996), (120, 233997), (180, 155998), (360, 77999)]