261008568

素因数分解:

$2^3\times 3^4\times {\mathrm{193}}^1\times {\mathrm{2087}}^1$

素因数の和:2298

約数の個数: 80

約数和(自身を含む): 735205680

約数和(自身を除く): 474197112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 193, 216, 324, 386, 579, 648, 772, 1158, 1544, 1737, 2087, 2316, 3474, 4174, 4632, 5211, 6261, 6948, 8348, 10422, 12522, 13896, 15633, 16696, 18783, 20844, 25044, 31266, 37566, 41688, 50088, 56349, 62532, 75132, 112698, 125064, 150264, 169047, 225396, 338094, 402791, 450792, 676188, 805582, 1208373, 1352376, 1611164, 2416746, 3222328, 3625119, 4833492, 7250238, 9666984, 10875357, 14500476, 21750714, 29000952, 32626071, 43501428, 65252142, 87002856, 130504284, 261008568]

約数ペア:

[(1, 261008568), (2, 130504284), (3, 87002856), (4, 65252142), (6, 43501428), (8, 32626071), (9, 29000952), (12, 21750714), (18, 14500476), (24, 10875357), (27, 9666984), (36, 7250238), (54, 4833492), (72, 3625119), (81, 3222328), (108, 2416746), (162, 1611164), (193, 1352376), (216, 1208373), (324, 805582), (386, 676188), (579, 450792), (648, 402791), (772, 338094), (1158, 225396), (1544, 169047), (1737, 150264), (2087, 125064), (2316, 112698), (3474, 75132), (4174, 62532), (4632, 56349), (5211, 50088), (6261, 41688), (6948, 37566), (8348, 31266), (10422, 25044), (12522, 20844), (13896, 18783), (15633, 16696)]