2663175280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{56519}}^1$

素因数の和:56582

約数の個数: 80

約数和(自身を含む): 6728140800

約数和(自身を除く): 4064965520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 56519, 113038, 226076, 282595, 452152, 565190, 904304, 1073861, 1130380, 1752089, 2147722, 2260760, 3504178, 4295444, 4521520, 5369305, 7008356, 8590888, 8760445, 10738610, 14016712, 17181776, 17520890, 21477220, 28033424, 33289691, 35041780, 42954440, 66579382, 70083560, 85908880, 133158764, 140167120, 166448455, 266317528, 332896910, 532635056, 665793820, 1331587640, 2663175280]

約数ペア:

[(1, 2663175280), (2, 1331587640), (4, 665793820), (5, 532635056), (8, 332896910), (10, 266317528), (16, 166448455), (19, 140167120), (20, 133158764), (31, 85908880), (38, 70083560), (40, 66579382), (62, 42954440), (76, 35041780), (80, 33289691), (95, 28033424), (124, 21477220), (152, 17520890), (155, 17181776), (190, 14016712), (248, 10738610), (304, 8760445), (310, 8590888), (380, 7008356), (496, 5369305), (589, 4521520), (620, 4295444), (760, 3504178), (1178, 2260760), (1240, 2147722), (1520, 1752089), (2356, 1130380), (2480, 1073861), (2945, 904304), (4712, 565190), (5890, 452152), (9424, 282595), (11780, 226076), (23560, 113038), (47120, 56519)]