261628560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{363373}}^1$

素因数の和:363392

約数の個数: 60

約数和(自身を含む): 878638332

約数和(自身を除く): 617009772

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 363373, 726746, 1090119, 1453492, 1816865, 2180238, 2906984, 3270357, 3633730, 4360476, 5450595, 5813968, 6540714, 7267460, 8720952, 10901190, 13081428, 14534920, 16351785, 17441904, 21802380, 26162856, 29069840, 32703570, 43604760, 52325712, 65407140, 87209520, 130814280, 261628560]

約数ペア:

[(1, 261628560), (2, 130814280), (3, 87209520), (4, 65407140), (5, 52325712), (6, 43604760), (8, 32703570), (9, 29069840), (10, 26162856), (12, 21802380), (15, 17441904), (16, 16351785), (18, 14534920), (20, 13081428), (24, 10901190), (30, 8720952), (36, 7267460), (40, 6540714), (45, 5813968), (48, 5450595), (60, 4360476), (72, 3633730), (80, 3270357), (90, 2906984), (120, 2180238), (144, 1816865), (180, 1453492), (240, 1090119), (360, 726746), (720, 363373)]