989639880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{64937}}^1$

素因数の和:65078

約数の個数: 64

約数和(自身を含む): 2992343040

約数和(自身を除く): 2002703160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 7620, 15240, 64937, 129874, 194811, 259748, 324685, 389622, 519496, 649370, 779244, 974055, 1298740, 1558488, 1948110, 2597480, 3896220, 7792440, 8246999, 16493998, 24740997, 32987996, 41234995, 49481994, 65975992, 82469990, 98963988, 123704985, 164939980, 197927976, 247409970, 329879960, 494819940, 989639880]

約数ペア:

[(1, 989639880), (2, 494819940), (3, 329879960), (4, 247409970), (5, 197927976), (6, 164939980), (8, 123704985), (10, 98963988), (12, 82469990), (15, 65975992), (20, 49481994), (24, 41234995), (30, 32987996), (40, 24740997), (60, 16493998), (120, 8246999), (127, 7792440), (254, 3896220), (381, 2597480), (508, 1948110), (635, 1558488), (762, 1298740), (1016, 974055), (1270, 779244), (1524, 649370), (1905, 519496), (2540, 389622), (3048, 324685), (3810, 259748), (5080, 194811), (7620, 129874), (15240, 64937)]