65661360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2150

約数の個数: 80

約数和(自身を含む): 205138656

約数和(自身を除く): 139477296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 1997, 2055, 2192, 2740, 3288, 3994, 4110, 5480, 5991, 6576, 7988, 8220, 9985, 10960, 11982, 15976, 16440, 19970, 23964, 29955, 31952, 32880, 39940, 47928, 59910, 79880, 95856, 119820, 159760, 239640, 273589, 479280, 547178, 820767, 1094356, 1367945, 1641534, 2188712, 2735890, 3283068, 4103835, 4377424, 5471780, 6566136, 8207670, 10943560, 13132272, 16415340, 21887120, 32830680, 65661360]

約数ペア:

[(1, 65661360), (2, 32830680), (3, 21887120), (4, 16415340), (5, 13132272), (6, 10943560), (8, 8207670), (10, 6566136), (12, 5471780), (15, 4377424), (16, 4103835), (20, 3283068), (24, 2735890), (30, 2188712), (40, 1641534), (48, 1367945), (60, 1094356), (80, 820767), (120, 547178), (137, 479280), (240, 273589), (274, 239640), (411, 159760), (548, 119820), (685, 95856), (822, 79880), (1096, 59910), (1370, 47928), (1644, 39940), (1997, 32880), (2055, 31952), (2192, 29955), (2740, 23964), (3288, 19970), (3994, 16440), (4110, 15976), (5480, 11982), (5991, 10960), (6576, 9985), (7988, 8220)]