281230920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{260399}}^1$

素因数の和:260419

約数の個数: 64

約数和(自身を含む): 937440000

約数和(自身を除く): 656209080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 260399, 520798, 781197, 1041596, 1301995, 1562394, 2083192, 2343591, 2603990, 3124788, 3905985, 4687182, 5207980, 6249576, 7030773, 7811970, 9374364, 10415960, 11717955, 14061546, 15623940, 18748728, 23435910, 28123092, 31247880, 35153865, 46871820, 56246184, 70307730, 93743640, 140615460, 281230920]

約数ペア:

[(1, 281230920), (2, 140615460), (3, 93743640), (4, 70307730), (5, 56246184), (6, 46871820), (8, 35153865), (9, 31247880), (10, 28123092), (12, 23435910), (15, 18748728), (18, 15623940), (20, 14061546), (24, 11717955), (27, 10415960), (30, 9374364), (36, 7811970), (40, 7030773), (45, 6249576), (54, 5207980), (60, 4687182), (72, 3905985), (90, 3124788), (108, 2603990), (120, 2343591), (135, 2083192), (180, 1562394), (216, 1301995), (270, 1041596), (360, 781197), (540, 520798), (1080, 260399)]