131399040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{68437}}^1$

素因数の和:68459

約数の個数: 64

約数和(自身を含む): 418840560

約数和(自身を除く): 287441520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 68437, 136874, 205311, 273748, 342185, 410622, 547496, 684370, 821244, 1026555, 1094992, 1368740, 1642488, 2053110, 2189984, 2737480, 3284976, 4106220, 4379968, 5474960, 6569952, 8212440, 8759936, 10949920, 13139904, 16424880, 21899840, 26279808, 32849760, 43799680, 65699520, 131399040]

約数ペア:

[(1, 131399040), (2, 65699520), (3, 43799680), (4, 32849760), (5, 26279808), (6, 21899840), (8, 16424880), (10, 13139904), (12, 10949920), (15, 8759936), (16, 8212440), (20, 6569952), (24, 5474960), (30, 4379968), (32, 4106220), (40, 3284976), (48, 2737480), (60, 2189984), (64, 2053110), (80, 1642488), (96, 1368740), (120, 1094992), (128, 1026555), (160, 821244), (192, 684370), (240, 547496), (320, 410622), (384, 342185), (480, 273748), (640, 205311), (960, 136874), (1920, 68437)]