280650240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 240

約数和(自身を含む): 1047854808

約数和(自身を除く): 767204568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 937, 960, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1874, 1920, 2080, 2304, 2340, 2496, 2560, 2811, 2880, 3120, 3328, 3744, 3748, 3840, 4160, 4608, 4680, 4685, 4992, 5622, 5760, 6240, 6656, 7488, 7496, 7680, 8320, 8433, 9360, 9370, 9984, 11244, 11520, 12181, 12480, 14055, 14976, 14992, 16640, 16866, 18720, 18740, 19968, 22488, 23040, 24362, 24960, 28110, 29952, 29984, 33280, 33732, 36543, 37440, 37480, 42165, 44976, 48724, 49920, 56220, 59904, 59968, 60905, 67464, 73086, 74880, 74960, 84330, 89952, 97448, 99840, 109629, 112440, 119936, 121810, 134928, 146172, 149760, 149920, 168660, 179904, 182715, 194896, 219258, 224880, 239872, 243620, 269856, 292344, 299520, 299840, 337320, 359808, 365430, 389792, 438516, 449760, 479744, 487240, 539712, 548145, 584688, 599680, 674640, 719616, 730860, 779584, 877032, 899520, 974480, 1079424, 1096290, 1169376, 1199360, 1349280, 1439232, 1461720, 1559168, 1754064, 1799040, 1948960, 2158848, 2192580, 2338752, 2398720, 2698560, 2923440, 3118336, 3508128, 3598080, 3897920, 4317696, 4385160, 4677504, 5397120, 5846880, 6236672, 7016256, 7196160, 7795840, 8770320, 9355008, 10794240, 11693760, 14032512, 15591680, 17540640, 18710016, 21588480, 23387520, 28065024, 31183360, 35081280, 46775040, 56130048, 70162560, 93550080, 140325120, 280650240]

約数ペア:

[(1, 280650240), (2, 140325120), (3, 93550080), (4, 70162560), (5, 56130048), (6, 46775040), (8, 35081280), (9, 31183360), (10, 28065024), (12, 23387520), (13, 21588480), (15, 18710016), (16, 17540640), (18, 15591680), (20, 14032512), (24, 11693760), (26, 10794240), (30, 9355008), (32, 8770320), (36, 7795840), (39, 7196160), (40, 7016256), (45, 6236672), (48, 5846880), (52, 5397120), (60, 4677504), (64, 4385160), (65, 4317696), (72, 3897920), (78, 3598080), (80, 3508128), (90, 3118336), (96, 2923440), (104, 2698560), (117, 2398720), (120, 2338752), (128, 2192580), (130, 2158848), (144, 1948960), (156, 1799040), (160, 1754064), (180, 1559168), (192, 1461720), (195, 1439232), (208, 1349280), (234, 1199360), (240, 1169376), (256, 1096290), (260, 1079424), (288, 974480), (312, 899520), (320, 877032), (360, 779584), (384, 730860), (390, 719616), (416, 674640), (468, 599680), (480, 584688), (512, 548145), (520, 539712), (576, 487240), (585, 479744), (624, 449760), (640, 438516), (720, 389792), (768, 365430), (780, 359808), (832, 337320), (936, 299840), (937, 299520), (960, 292344), (1040, 269856), (1152, 243620), (1170, 239872), (1248, 224880), (1280, 219258), (1440, 194896), (1536, 182715), (1560, 179904), (1664, 168660), (1872, 149920), (1874, 149760), (1920, 146172), (2080, 134928), (2304, 121810), (2340, 119936), (2496, 112440), (2560, 109629), (2811, 99840), (2880, 97448), (3120, 89952), (3328, 84330), (3744, 74960), (3748, 74880), (3840, 73086), (4160, 67464), (4608, 60905), (4680, 59968), (4685, 59904), (4992, 56220), (5622, 49920), (5760, 48724), (6240, 44976), (6656, 42165), (7488, 37480), (7496, 37440), (7680, 36543), (8320, 33732), (8433, 33280), (9360, 29984), (9370, 29952), (9984, 28110), (11244, 24960), (11520, 24362), (12181, 23040), (12480, 22488), (14055, 19968), (14976, 18740), (14992, 18720), (16640, 16866)]