71998560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{49999}}^1$

素因数の和:50020

約数の個数: 72

約数和(自身を含む): 245700000

約数和(自身を除く): 173701440

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, 49999, 99998, 149997, 199996, 249995, 299994, 399992, 449991, 499990, 599988, 749985, 799984, 899982, 999980, 1199976, 1499970, 1599968, 1799964, 1999960, 2249955, 2399952, 2999940, 3599928, 3999920, 4499910, 4799904, 5999880, 7199856, 7999840, 8999820, 11999760, 14399712, 17999640, 23999520, 35999280, 71998560]

約数ペア:

[(1, 71998560), (2, 35999280), (3, 23999520), (4, 17999640), (5, 14399712), (6, 11999760), (8, 8999820), (9, 7999840), (10, 7199856), (12, 5999880), (15, 4799904), (16, 4499910), (18, 3999920), (20, 3599928), (24, 2999940), (30, 2399952), (32, 2249955), (36, 1999960), (40, 1799964), (45, 1599968), (48, 1499970), (60, 1199976), (72, 999980), (80, 899982), (90, 799984), (96, 749985), (120, 599988), (144, 499990), (160, 449991), (180, 399992), (240, 299994), (288, 249995), (360, 199996), (480, 149997), (720, 99998), (1440, 49999)]