205188480

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{727}}^1$

素因数の和:766

約数の個数: 288

約数和(自身を含む): 825355440

約数和(自身を除く): 620166960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 727, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1454, 1470, 1568, 1680, 1764, 1920, 1960, 2016, 2181, 2205, 2240, 2352, 2520, 2688, 2880, 2908, 2940, 3136, 3360, 3528, 3635, 3920, 4032, 4362, 4410, 4480, 4704, 5040, 5089, 5760, 5816, 5880, 6272, 6543, 6720, 7056, 7270, 7840, 8064, 8724, 8820, 9408, 10080, 10178, 10905, 11632, 11760, 13086, 13440, 14112, 14540, 15267, 15680, 17448, 17640, 18816, 20160, 20356, 21810, 23264, 23520, 25445, 26172, 28224, 29080, 30534, 31360, 32715, 34896, 35280, 35623, 40320, 40712, 43620, 45801, 46528, 47040, 50890, 52344, 56448, 58160, 61068, 65430, 69792, 70560, 71246, 76335, 81424, 87240, 91602, 93056, 94080, 101780, 104688, 106869, 116320, 122136, 130860, 139584, 141120, 142492, 152670, 162848, 174480, 178115, 183204, 203560, 209376, 213738, 229005, 232640, 244272, 261720, 279168, 282240, 284984, 305340, 320607, 325696, 348960, 356230, 366408, 407120, 418752, 427476, 458010, 465280, 488544, 523440, 534345, 569968, 610680, 641214, 651392, 697920, 712460, 732816, 814240, 837504, 854952, 916020, 977088, 1046880, 1068690, 1139936, 1221360, 1282428, 1395840, 1424920, 1465632, 1603035, 1628480, 1709904, 1832040, 1954176, 2093760, 2137380, 2279872, 2442720, 2564856, 2849840, 2931264, 3206070, 3256960, 3419808, 3664080, 4187520, 4274760, 4559744, 4885440, 5129712, 5699680, 5862528, 6412140, 6839616, 7328160, 8549520, 9770880, 10259424, 11399360, 12824280, 13679232, 14656320, 17099040, 20518848, 22798720, 25648560, 29312640, 34198080, 41037696, 51297120, 68396160, 102594240, 205188480]

約数ペア:

[(1, 205188480), (2, 102594240), (3, 68396160), (4, 51297120), (5, 41037696), (6, 34198080), (7, 29312640), (8, 25648560), (9, 22798720), (10, 20518848), (12, 17099040), (14, 14656320), (15, 13679232), (16, 12824280), (18, 11399360), (20, 10259424), (21, 9770880), (24, 8549520), (28, 7328160), (30, 6839616), (32, 6412140), (35, 5862528), (36, 5699680), (40, 5129712), (42, 4885440), (45, 4559744), (48, 4274760), (49, 4187520), (56, 3664080), (60, 3419808), (63, 3256960), (64, 3206070), (70, 2931264), (72, 2849840), (80, 2564856), (84, 2442720), (90, 2279872), (96, 2137380), (98, 2093760), (105, 1954176), (112, 1832040), (120, 1709904), (126, 1628480), (128, 1603035), (140, 1465632), (144, 1424920), (147, 1395840), (160, 1282428), (168, 1221360), (180, 1139936), (192, 1068690), (196, 1046880), (210, 977088), (224, 916020), (240, 854952), (245, 837504), (252, 814240), (280, 732816), (288, 712460), (294, 697920), (315, 651392), (320, 641214), (336, 610680), (360, 569968), (384, 534345), (392, 523440), (420, 488544), (441, 465280), (448, 458010), (480, 427476), (490, 418752), (504, 407120), (560, 366408), (576, 356230), (588, 348960), (630, 325696), (640, 320607), (672, 305340), (720, 284984), (727, 282240), (735, 279168), (784, 261720), (840, 244272), (882, 232640), (896, 229005), (960, 213738), (980, 209376), (1008, 203560), (1120, 183204), (1152, 178115), (1176, 174480), (1260, 162848), (1344, 152670), (1440, 142492), (1454, 141120), (1470, 139584), (1568, 130860), (1680, 122136), (1764, 116320), (1920, 106869), (1960, 104688), (2016, 101780), (2181, 94080), (2205, 93056), (2240, 91602), (2352, 87240), (2520, 81424), (2688, 76335), (2880, 71246), (2908, 70560), (2940, 69792), (3136, 65430), (3360, 61068), (3528, 58160), (3635, 56448), (3920, 52344), (4032, 50890), (4362, 47040), (4410, 46528), (4480, 45801), (4704, 43620), (5040, 40712), (5089, 40320), (5760, 35623), (5816, 35280), (5880, 34896), (6272, 32715), (6543, 31360), (6720, 30534), (7056, 29080), (7270, 28224), (7840, 26172), (8064, 25445), (8724, 23520), (8820, 23264), (9408, 21810), (10080, 20356), (10178, 20160), (10905, 18816), (11632, 17640), (11760, 17448), (13086, 15680), (13440, 15267), (14112, 14540)]