255778680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10711}}^1$

素因数の和:10924

約数の個数: 64

約数和(自身を含む): 771264000

約数和(自身を除く): 515485320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7960, 10711, 11940, 21422, 23880, 32133, 42844, 53555, 64266, 85688, 107110, 128532, 160665, 214220, 257064, 321330, 428440, 642660, 1285320, 2131489, 4262978, 6394467, 8525956, 10657445, 12788934, 17051912, 21314890, 25577868, 31972335, 42629780, 51155736, 63944670, 85259560, 127889340, 255778680]

約数ペア:

[(1, 255778680), (2, 127889340), (3, 85259560), (4, 63944670), (5, 51155736), (6, 42629780), (8, 31972335), (10, 25577868), (12, 21314890), (15, 17051912), (20, 12788934), (24, 10657445), (30, 8525956), (40, 6394467), (60, 4262978), (120, 2131489), (199, 1285320), (398, 642660), (597, 428440), (796, 321330), (995, 257064), (1194, 214220), (1592, 160665), (1990, 128532), (2388, 107110), (2985, 85688), (3980, 64266), (4776, 53555), (5970, 42844), (7960, 32133), (10711, 23880), (11940, 21422)]