2771681280

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{5639}}^1$

素因数の和:5677

約数の個数: 128

約数和(自身を含む): 8870817600

約数和(自身を除く): 6099136320

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, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 5639, 6144, 7680, 8192, 10240, 11278, 12288, 15360, 16384, 16917, 20480, 22556, 24576, 28195, 30720, 32768, 33834, 40960, 45112, 49152, 56390, 61440, 67668, 81920, 84585, 90224, 98304, 112780, 122880, 135336, 163840, 169170, 180448, 225560, 245760, 270672, 338340, 360896, 451120, 491520, 541344, 676680, 721792, 902240, 1082688, 1353360, 1443584, 1804480, 2165376, 2706720, 2887168, 3608960, 4330752, 5413440, 5774336, 7217920, 8661504, 10826880, 11548672, 14435840, 17323008, 21653760, 23097344, 28871680, 34646016, 43307520, 46194688, 57743360, 69292032, 86615040, 92389376, 115486720, 138584064, 173230080, 184778752, 230973440, 277168128, 346460160, 461946880, 554336256, 692920320, 923893760, 1385840640, 2771681280]

約数ペア:

[(1, 2771681280), (2, 1385840640), (3, 923893760), (4, 692920320), (5, 554336256), (6, 461946880), (8, 346460160), (10, 277168128), (12, 230973440), (15, 184778752), (16, 173230080), (20, 138584064), (24, 115486720), (30, 92389376), (32, 86615040), (40, 69292032), (48, 57743360), (60, 46194688), (64, 43307520), (80, 34646016), (96, 28871680), (120, 23097344), (128, 21653760), (160, 17323008), (192, 14435840), (240, 11548672), (256, 10826880), (320, 8661504), (384, 7217920), (480, 5774336), (512, 5413440), (640, 4330752), (768, 3608960), (960, 2887168), (1024, 2706720), (1280, 2165376), (1536, 1804480), (1920, 1443584), (2048, 1353360), (2560, 1082688), (3072, 902240), (3840, 721792), (4096, 676680), (5120, 541344), (5639, 491520), (6144, 451120), (7680, 360896), (8192, 338340), (10240, 270672), (11278, 245760), (12288, 225560), (15360, 180448), (16384, 169170), (16917, 163840), (20480, 135336), (22556, 122880), (24576, 112780), (28195, 98304), (30720, 90224), (32768, 84585), (33834, 81920), (40960, 67668), (45112, 61440), (49152, 56390)]