318654720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 216

約数和(自身を含む): 1116024000

約数和(自身を除く): 797369280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 139, 144, 160, 180, 192, 199, 240, 256, 278, 288, 320, 360, 384, 398, 417, 480, 556, 576, 597, 640, 695, 720, 768, 796, 834, 960, 995, 1112, 1152, 1194, 1251, 1280, 1390, 1440, 1592, 1668, 1791, 1920, 1990, 2085, 2224, 2304, 2388, 2502, 2780, 2880, 2985, 3184, 3336, 3582, 3840, 3980, 4170, 4448, 4776, 5004, 5560, 5760, 5970, 6255, 6368, 6672, 7164, 7960, 8340, 8896, 8955, 9552, 10008, 11120, 11520, 11940, 12510, 12736, 13344, 14328, 15920, 16680, 17792, 17910, 19104, 20016, 22240, 23880, 25020, 25472, 26688, 27661, 28656, 31840, 33360, 35584, 35820, 38208, 40032, 44480, 47760, 50040, 50944, 53376, 55322, 57312, 63680, 66720, 71640, 76416, 80064, 82983, 88960, 95520, 100080, 106752, 110644, 114624, 127360, 133440, 138305, 143280, 152832, 160128, 165966, 177920, 191040, 200160, 221288, 229248, 248949, 254720, 266880, 276610, 286560, 320256, 331932, 382080, 400320, 414915, 442576, 458496, 497898, 533760, 553220, 573120, 663864, 764160, 800640, 829830, 885152, 995796, 1106440, 1146240, 1244745, 1327728, 1601280, 1659660, 1770304, 1991592, 2212880, 2292480, 2489490, 2655456, 3319320, 3540608, 3983184, 4425760, 4978980, 5310912, 6638640, 7081216, 7966368, 8851520, 9957960, 10621824, 13277280, 15932736, 17703040, 19915920, 21243648, 26554560, 31865472, 35406080, 39831840, 53109120, 63730944, 79663680, 106218240, 159327360, 318654720]

約数ペア:

[(1, 318654720), (2, 159327360), (3, 106218240), (4, 79663680), (5, 63730944), (6, 53109120), (8, 39831840), (9, 35406080), (10, 31865472), (12, 26554560), (15, 21243648), (16, 19915920), (18, 17703040), (20, 15932736), (24, 13277280), (30, 10621824), (32, 9957960), (36, 8851520), (40, 7966368), (45, 7081216), (48, 6638640), (60, 5310912), (64, 4978980), (72, 4425760), (80, 3983184), (90, 3540608), (96, 3319320), (120, 2655456), (128, 2489490), (139, 2292480), (144, 2212880), (160, 1991592), (180, 1770304), (192, 1659660), (199, 1601280), (240, 1327728), (256, 1244745), (278, 1146240), (288, 1106440), (320, 995796), (360, 885152), (384, 829830), (398, 800640), (417, 764160), (480, 663864), (556, 573120), (576, 553220), (597, 533760), (640, 497898), (695, 458496), (720, 442576), (768, 414915), (796, 400320), (834, 382080), (960, 331932), (995, 320256), (1112, 286560), (1152, 276610), (1194, 266880), (1251, 254720), (1280, 248949), (1390, 229248), (1440, 221288), (1592, 200160), (1668, 191040), (1791, 177920), (1920, 165966), (1990, 160128), (2085, 152832), (2224, 143280), (2304, 138305), (2388, 133440), (2502, 127360), (2780, 114624), (2880, 110644), (2985, 106752), (3184, 100080), (3336, 95520), (3582, 88960), (3840, 82983), (3980, 80064), (4170, 76416), (4448, 71640), (4776, 66720), (5004, 63680), (5560, 57312), (5760, 55322), (5970, 53376), (6255, 50944), (6368, 50040), (6672, 47760), (7164, 44480), (7960, 40032), (8340, 38208), (8896, 35820), (8955, 35584), (9552, 33360), (10008, 31840), (11120, 28656), (11520, 27661), (11940, 26688), (12510, 25472), (12736, 25020), (13344, 23880), (14328, 22240), (15920, 20016), (16680, 19104), (17792, 17910)]