278874240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 893617920

約数和(自身を除く): 614743680

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, 337, 384, 431, 480, 640, 674, 862, 960, 1011, 1293, 1348, 1685, 1724, 1920, 2022, 2155, 2586, 2696, 3370, 3448, 4044, 4310, 5055, 5172, 5392, 6465, 6740, 6896, 8088, 8620, 10110, 10344, 10784, 12930, 13480, 13792, 16176, 17240, 20220, 20688, 21568, 25860, 26960, 27584, 32352, 34480, 40440, 41376, 43136, 51720, 53920, 55168, 64704, 68960, 80880, 82752, 103440, 107840, 129408, 137920, 145247, 161760, 165504, 206880, 215680, 275840, 290494, 323520, 413760, 435741, 580988, 647040, 726235, 827520, 871482, 1161976, 1452470, 1742964, 2178705, 2323952, 2904940, 3485928, 4357410, 4647904, 5809880, 6971856, 8714820, 9295808, 11619760, 13943712, 17429640, 18591616, 23239520, 27887424, 34859280, 46479040, 55774848, 69718560, 92958080, 139437120, 278874240]

約数ペア:

[(1, 278874240), (2, 139437120), (3, 92958080), (4, 69718560), (5, 55774848), (6, 46479040), (8, 34859280), (10, 27887424), (12, 23239520), (15, 18591616), (16, 17429640), (20, 13943712), (24, 11619760), (30, 9295808), (32, 8714820), (40, 6971856), (48, 5809880), (60, 4647904), (64, 4357410), (80, 3485928), (96, 2904940), (120, 2323952), (128, 2178705), (160, 1742964), (192, 1452470), (240, 1161976), (320, 871482), (337, 827520), (384, 726235), (431, 647040), (480, 580988), (640, 435741), (674, 413760), (862, 323520), (960, 290494), (1011, 275840), (1293, 215680), (1348, 206880), (1685, 165504), (1724, 161760), (1920, 145247), (2022, 137920), (2155, 129408), (2586, 107840), (2696, 103440), (3370, 82752), (3448, 80880), (4044, 68960), (4310, 64704), (5055, 55168), (5172, 53920), (5392, 51720), (6465, 43136), (6740, 41376), (6896, 40440), (8088, 34480), (8620, 32352), (10110, 27584), (10344, 26960), (10784, 25860), (12930, 21568), (13480, 20688), (13792, 20220), (16176, 17240)]