319397760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:178

約数の個数: 288

約数和(自身を含む): 1220370840

約数和(自身を除く): 900973080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 71, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 142, 144, 160, 165, 176, 180, 192, 198, 213, 220, 240, 264, 284, 288, 320, 330, 352, 355, 360, 384, 396, 426, 440, 480, 495, 528, 568, 576, 639, 640, 660, 704, 710, 720, 781, 792, 852, 880, 960, 990, 1056, 1065, 1136, 1152, 1278, 1320, 1408, 1420, 1440, 1562, 1584, 1704, 1760, 1920, 1980, 2112, 2130, 2272, 2343, 2556, 2640, 2840, 2880, 3124, 3168, 3195, 3408, 3520, 3905, 3960, 4224, 4260, 4544, 4686, 5041, 5112, 5280, 5680, 5760, 6248, 6336, 6390, 6816, 7029, 7040, 7810, 7920, 8520, 9088, 9372, 10082, 10224, 10560, 11360, 11715, 12496, 12672, 12780, 13632, 14058, 15123, 15620, 15840, 17040, 18744, 20164, 20448, 21120, 22720, 23430, 24992, 25205, 25560, 27264, 28116, 30246, 31240, 31680, 34080, 35145, 37488, 40328, 40896, 45369, 45440, 46860, 49984, 50410, 51120, 55451, 56232, 60492, 62480, 63360, 68160, 70290, 74976, 75615, 80656, 81792, 90738, 93720, 99968, 100820, 102240, 110902, 112464, 120984, 124960, 136320, 140580, 149952, 151230, 161312, 166353, 181476, 187440, 201640, 204480, 221804, 224928, 226845, 241968, 249920, 277255, 281160, 299904, 302460, 322624, 332706, 362952, 374880, 403280, 408960, 443608, 449856, 453690, 483936, 499059, 499840, 554510, 562320, 604920, 645248, 665412, 725904, 749760, 806560, 831765, 887216, 899712, 907380, 967872, 998118, 1109020, 1124640, 1209840, 1330824, 1451808, 1499520, 1613120, 1663530, 1774432, 1814760, 1935744, 1996236, 2218040, 2249280, 2419680, 2495295, 2661648, 2903616, 3226240, 3327060, 3548864, 3629520, 3992472, 4436080, 4498560, 4839360, 4990590, 5323296, 5807232, 6654120, 7097728, 7259040, 7984944, 8872160, 9678720, 9981180, 10646592, 13308240, 14518080, 15969888, 17744320, 19962360, 21293184, 26616480, 29036160, 31939776, 35488640, 39924720, 53232960, 63879552, 79849440, 106465920, 159698880, 319397760]

約数ペア:

[(1, 319397760), (2, 159698880), (3, 106465920), (4, 79849440), (5, 63879552), (6, 53232960), (8, 39924720), (9, 35488640), (10, 31939776), (11, 29036160), (12, 26616480), (15, 21293184), (16, 19962360), (18, 17744320), (20, 15969888), (22, 14518080), (24, 13308240), (30, 10646592), (32, 9981180), (33, 9678720), (36, 8872160), (40, 7984944), (44, 7259040), (45, 7097728), (48, 6654120), (55, 5807232), (60, 5323296), (64, 4990590), (66, 4839360), (71, 4498560), (72, 4436080), (80, 3992472), (88, 3629520), (90, 3548864), (96, 3327060), (99, 3226240), (110, 2903616), (120, 2661648), (128, 2495295), (132, 2419680), (142, 2249280), (144, 2218040), (160, 1996236), (165, 1935744), (176, 1814760), (180, 1774432), (192, 1663530), (198, 1613120), (213, 1499520), (220, 1451808), (240, 1330824), (264, 1209840), (284, 1124640), (288, 1109020), (320, 998118), (330, 967872), (352, 907380), (355, 899712), (360, 887216), (384, 831765), (396, 806560), (426, 749760), (440, 725904), (480, 665412), (495, 645248), (528, 604920), (568, 562320), (576, 554510), (639, 499840), (640, 499059), (660, 483936), (704, 453690), (710, 449856), (720, 443608), (781, 408960), (792, 403280), (852, 374880), (880, 362952), (960, 332706), (990, 322624), (1056, 302460), (1065, 299904), (1136, 281160), (1152, 277255), (1278, 249920), (1320, 241968), (1408, 226845), (1420, 224928), (1440, 221804), (1562, 204480), (1584, 201640), (1704, 187440), (1760, 181476), (1920, 166353), (1980, 161312), (2112, 151230), (2130, 149952), (2272, 140580), (2343, 136320), (2556, 124960), (2640, 120984), (2840, 112464), (2880, 110902), (3124, 102240), (3168, 100820), (3195, 99968), (3408, 93720), (3520, 90738), (3905, 81792), (3960, 80656), (4224, 75615), (4260, 74976), (4544, 70290), (4686, 68160), (5041, 63360), (5112, 62480), (5280, 60492), (5680, 56232), (5760, 55451), (6248, 51120), (6336, 50410), (6390, 49984), (6816, 46860), (7029, 45440), (7040, 45369), (7810, 40896), (7920, 40328), (8520, 37488), (9088, 35145), (9372, 34080), (10082, 31680), (10224, 31240), (10560, 30246), (11360, 28116), (11715, 27264), (12496, 25560), (12672, 25205), (12780, 24992), (13632, 23430), (14058, 22720), (15123, 21120), (15620, 20448), (15840, 20164), (17040, 18744)]