305195520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{811}}^1$

素因数の和:851

約数の個数: 240

約数和(自身を含む): 1136364768

約数和(自身を除く): 831169248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 811, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1622, 1680, 1792, 1920, 1960, 2240, 2352, 2433, 2560, 2688, 2940, 3136, 3244, 3360, 3584, 3840, 3920, 4055, 4480, 4704, 4866, 5376, 5677, 5880, 6272, 6488, 6720, 7680, 7840, 8110, 8960, 9408, 9732, 10752, 11354, 11760, 12165, 12544, 12976, 13440, 15680, 16220, 17031, 17920, 18816, 19464, 22708, 23520, 24330, 25088, 25952, 26880, 28385, 31360, 32440, 34062, 37632, 38928, 39739, 45416, 47040, 48660, 51904, 53760, 56770, 62720, 64880, 68124, 75264, 77856, 79478, 85155, 90832, 94080, 97320, 103808, 113540, 119217, 125440, 129760, 136248, 155712, 158956, 170310, 181664, 188160, 194640, 198695, 207616, 227080, 238434, 259520, 272496, 311424, 317912, 340620, 363328, 376320, 389280, 397390, 415232, 454160, 476868, 519040, 544992, 596085, 622848, 635824, 681240, 726656, 778560, 794780, 908320, 953736, 1038080, 1089984, 1192170, 1245696, 1271648, 1362480, 1453312, 1557120, 1589560, 1816640, 1907472, 2076160, 2179968, 2384340, 2543296, 2724960, 2906624, 3114240, 3179120, 3633280, 3814944, 4359936, 4768680, 5086592, 5449920, 6228480, 6358240, 7266560, 7629888, 8719872, 9537360, 10173184, 10899840, 12716480, 14533120, 15259776, 19074720, 20346368, 21799680, 25432960, 30519552, 38149440, 43599360, 50865920, 61039104, 76298880, 101731840, 152597760, 305195520]

約数ペア:

[(1, 305195520), (2, 152597760), (3, 101731840), (4, 76298880), (5, 61039104), (6, 50865920), (7, 43599360), (8, 38149440), (10, 30519552), (12, 25432960), (14, 21799680), (15, 20346368), (16, 19074720), (20, 15259776), (21, 14533120), (24, 12716480), (28, 10899840), (30, 10173184), (32, 9537360), (35, 8719872), (40, 7629888), (42, 7266560), (48, 6358240), (49, 6228480), (56, 5449920), (60, 5086592), (64, 4768680), (70, 4359936), (80, 3814944), (84, 3633280), (96, 3179120), (98, 3114240), (105, 2906624), (112, 2724960), (120, 2543296), (128, 2384340), (140, 2179968), (147, 2076160), (160, 1907472), (168, 1816640), (192, 1589560), (196, 1557120), (210, 1453312), (224, 1362480), (240, 1271648), (245, 1245696), (256, 1192170), (280, 1089984), (294, 1038080), (320, 953736), (336, 908320), (384, 794780), (392, 778560), (420, 726656), (448, 681240), (480, 635824), (490, 622848), (512, 596085), (560, 544992), (588, 519040), (640, 476868), (672, 454160), (735, 415232), (768, 397390), (784, 389280), (811, 376320), (840, 363328), (896, 340620), (960, 317912), (980, 311424), (1120, 272496), (1176, 259520), (1280, 238434), (1344, 227080), (1470, 207616), (1536, 198695), (1568, 194640), (1622, 188160), (1680, 181664), (1792, 170310), (1920, 158956), (1960, 155712), (2240, 136248), (2352, 129760), (2433, 125440), (2560, 119217), (2688, 113540), (2940, 103808), (3136, 97320), (3244, 94080), (3360, 90832), (3584, 85155), (3840, 79478), (3920, 77856), (4055, 75264), (4480, 68124), (4704, 64880), (4866, 62720), (5376, 56770), (5677, 53760), (5880, 51904), (6272, 48660), (6488, 47040), (6720, 45416), (7680, 39739), (7840, 38928), (8110, 37632), (8960, 34062), (9408, 32440), (9732, 31360), (10752, 28385), (11354, 26880), (11760, 25952), (12165, 25088), (12544, 24330), (12976, 23520), (13440, 22708), (15680, 19464), (16220, 18816), (17031, 17920)]