131398560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{91249}}^1$

素因数の和:91270

約数の個数: 72

約数和(自身を含む): 448402500

約数和(自身を除く): 317003940

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, 91249, 182498, 273747, 364996, 456245, 547494, 729992, 821241, 912490, 1094988, 1368735, 1459984, 1642482, 1824980, 2189976, 2737470, 2919968, 3284964, 3649960, 4106205, 4379952, 5474940, 6569928, 7299920, 8212410, 8759904, 10949880, 13139856, 14599840, 16424820, 21899760, 26279712, 32849640, 43799520, 65699280, 131398560]

約数ペア:

[(1, 131398560), (2, 65699280), (3, 43799520), (4, 32849640), (5, 26279712), (6, 21899760), (8, 16424820), (9, 14599840), (10, 13139856), (12, 10949880), (15, 8759904), (16, 8212410), (18, 7299920), (20, 6569928), (24, 5474940), (30, 4379952), (32, 4106205), (36, 3649960), (40, 3284964), (45, 2919968), (48, 2737470), (60, 2189976), (72, 1824980), (80, 1642482), (90, 1459984), (96, 1368735), (120, 1094988), (144, 912490), (160, 821241), (180, 729992), (240, 547494), (288, 456245), (360, 364996), (480, 273747), (720, 182498), (1440, 91249)]