978548480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 2988883968

約数和(自身を除く): 2010335488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 256, 260, 271, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 542, 560, 620, 640, 728, 806, 832, 868, 896, 910, 992, 1040, 1084, 1085, 1120, 1240, 1280, 1355, 1456, 1612, 1664, 1736, 1792, 1820, 1897, 1984, 2015, 2080, 2168, 2170, 2240, 2480, 2710, 2821, 2912, 3224, 3328, 3472, 3523, 3640, 3794, 3968, 4030, 4160, 4336, 4340, 4480, 4960, 5420, 5642, 5824, 6448, 6944, 7046, 7280, 7588, 7936, 8060, 8320, 8401, 8672, 8680, 8960, 9485, 9920, 10840, 11284, 11648, 12896, 13888, 14092, 14105, 14560, 15176, 16120, 16640, 16802, 17344, 17360, 17615, 18970, 19840, 21680, 22568, 23296, 24661, 25792, 27776, 28184, 28210, 29120, 30352, 32240, 33604, 34688, 34720, 35230, 37940, 39680, 42005, 43360, 45136, 49322, 51584, 55552, 56368, 56420, 58240, 58807, 60704, 64480, 67208, 69376, 69440, 70460, 75880, 84010, 86720, 90272, 98644, 103168, 109213, 112736, 112840, 116480, 117614, 121408, 123305, 128960, 134416, 138880, 140920, 151760, 168020, 173440, 180544, 197288, 218426, 225472, 225680, 235228, 242816, 246610, 257920, 268832, 277760, 281840, 294035, 303520, 336040, 346880, 361088, 394576, 436852, 450944, 451360, 470456, 485632, 493220, 515840, 537664, 546065, 563680, 588070, 607040, 672080, 722176, 764491, 789152, 873704, 901888, 902720, 940912, 986440, 1075328, 1092130, 1127360, 1176140, 1214080, 1344160, 1528982, 1578304, 1747408, 1805440, 1881824, 1972880, 2150656, 2184260, 2254720, 2352280, 2428160, 2688320, 3057964, 3156608, 3494816, 3610880, 3763648, 3822455, 3945760, 4368520, 4509440, 4704560, 5376640, 6115928, 6313216, 6989632, 7527296, 7644910, 7891520, 8737040, 9409120, 10753280, 12231856, 13979264, 15054592, 15289820, 15783040, 17474080, 18818240, 24463712, 27958528, 30579640, 31566080, 34948160, 37636480, 48927424, 61159280, 69896320, 75272960, 97854848, 122318560, 139792640, 195709696, 244637120, 489274240, 978548480]

約数ペア:

[(1, 978548480), (2, 489274240), (4, 244637120), (5, 195709696), (7, 139792640), (8, 122318560), (10, 97854848), (13, 75272960), (14, 69896320), (16, 61159280), (20, 48927424), (26, 37636480), (28, 34948160), (31, 31566080), (32, 30579640), (35, 27958528), (40, 24463712), (52, 18818240), (56, 17474080), (62, 15783040), (64, 15289820), (65, 15054592), (70, 13979264), (80, 12231856), (91, 10753280), (104, 9409120), (112, 8737040), (124, 7891520), (128, 7644910), (130, 7527296), (140, 6989632), (155, 6313216), (160, 6115928), (182, 5376640), (208, 4704560), (217, 4509440), (224, 4368520), (248, 3945760), (256, 3822455), (260, 3763648), (271, 3610880), (280, 3494816), (310, 3156608), (320, 3057964), (364, 2688320), (403, 2428160), (416, 2352280), (434, 2254720), (448, 2184260), (455, 2150656), (496, 1972880), (520, 1881824), (542, 1805440), (560, 1747408), (620, 1578304), (640, 1528982), (728, 1344160), (806, 1214080), (832, 1176140), (868, 1127360), (896, 1092130), (910, 1075328), (992, 986440), (1040, 940912), (1084, 902720), (1085, 901888), (1120, 873704), (1240, 789152), (1280, 764491), (1355, 722176), (1456, 672080), (1612, 607040), (1664, 588070), (1736, 563680), (1792, 546065), (1820, 537664), (1897, 515840), (1984, 493220), (2015, 485632), (2080, 470456), (2168, 451360), (2170, 450944), (2240, 436852), (2480, 394576), (2710, 361088), (2821, 346880), (2912, 336040), (3224, 303520), (3328, 294035), (3472, 281840), (3523, 277760), (3640, 268832), (3794, 257920), (3968, 246610), (4030, 242816), (4160, 235228), (4336, 225680), (4340, 225472), (4480, 218426), (4960, 197288), (5420, 180544), (5642, 173440), (5824, 168020), (6448, 151760), (6944, 140920), (7046, 138880), (7280, 134416), (7588, 128960), (7936, 123305), (8060, 121408), (8320, 117614), (8401, 116480), (8672, 112840), (8680, 112736), (8960, 109213), (9485, 103168), (9920, 98644), (10840, 90272), (11284, 86720), (11648, 84010), (12896, 75880), (13888, 70460), (14092, 69440), (14105, 69376), (14560, 67208), (15176, 64480), (16120, 60704), (16640, 58807), (16802, 58240), (17344, 56420), (17360, 56368), (17615, 55552), (18970, 51584), (19840, 49322), (21680, 45136), (22568, 43360), (23296, 42005), (24661, 39680), (25792, 37940), (27776, 35230), (28184, 34720), (28210, 34688), (29120, 33604), (30352, 32240)]