138078720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 240

約数和(自身を含む): 516107592

約数和(自身を除く): 378028872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 461, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 922, 936, 960, 1040, 1152, 1170, 1248, 1280, 1383, 1440, 1536, 1560, 1664, 1844, 1872, 1920, 2080, 2304, 2305, 2340, 2496, 2560, 2766, 2880, 3120, 3328, 3688, 3744, 3840, 4149, 4160, 4608, 4610, 4680, 4992, 5532, 5760, 5993, 6240, 6656, 6915, 7376, 7488, 7680, 8298, 8320, 9220, 9360, 9984, 11064, 11520, 11986, 12480, 13830, 14752, 14976, 16596, 16640, 17979, 18440, 18720, 19968, 20745, 22128, 23040, 23972, 24960, 27660, 29504, 29952, 29965, 33192, 33280, 35958, 36880, 37440, 41490, 44256, 47944, 49920, 53937, 55320, 59008, 59904, 59930, 66384, 71916, 73760, 74880, 82980, 88512, 89895, 95888, 99840, 107874, 110640, 118016, 119860, 132768, 143832, 147520, 149760, 165960, 177024, 179790, 191776, 215748, 221280, 236032, 239720, 265536, 269685, 287664, 295040, 299520, 331920, 354048, 359580, 383552, 431496, 442560, 479440, 531072, 539370, 575328, 590080, 663840, 708096, 719160, 767104, 862992, 885120, 958880, 1062144, 1078740, 1150656, 1180160, 1327680, 1438320, 1534208, 1725984, 1770240, 1917760, 2124288, 2157480, 2301312, 2655360, 2876640, 3068416, 3451968, 3540480, 3835520, 4314960, 4602624, 5310720, 5753280, 6903936, 7671040, 8629920, 9205248, 10621440, 11506560, 13807872, 15342080, 17259840, 23013120, 27615744, 34519680, 46026240, 69039360, 138078720]

約数ペア:

[(1, 138078720), (2, 69039360), (3, 46026240), (4, 34519680), (5, 27615744), (6, 23013120), (8, 17259840), (9, 15342080), (10, 13807872), (12, 11506560), (13, 10621440), (15, 9205248), (16, 8629920), (18, 7671040), (20, 6903936), (24, 5753280), (26, 5310720), (30, 4602624), (32, 4314960), (36, 3835520), (39, 3540480), (40, 3451968), (45, 3068416), (48, 2876640), (52, 2655360), (60, 2301312), (64, 2157480), (65, 2124288), (72, 1917760), (78, 1770240), (80, 1725984), (90, 1534208), (96, 1438320), (104, 1327680), (117, 1180160), (120, 1150656), (128, 1078740), (130, 1062144), (144, 958880), (156, 885120), (160, 862992), (180, 767104), (192, 719160), (195, 708096), (208, 663840), (234, 590080), (240, 575328), (256, 539370), (260, 531072), (288, 479440), (312, 442560), (320, 431496), (360, 383552), (384, 359580), (390, 354048), (416, 331920), (461, 299520), (468, 295040), (480, 287664), (512, 269685), (520, 265536), (576, 239720), (585, 236032), (624, 221280), (640, 215748), (720, 191776), (768, 179790), (780, 177024), (832, 165960), (922, 149760), (936, 147520), (960, 143832), (1040, 132768), (1152, 119860), (1170, 118016), (1248, 110640), (1280, 107874), (1383, 99840), (1440, 95888), (1536, 89895), (1560, 88512), (1664, 82980), (1844, 74880), (1872, 73760), (1920, 71916), (2080, 66384), (2304, 59930), (2305, 59904), (2340, 59008), (2496, 55320), (2560, 53937), (2766, 49920), (2880, 47944), (3120, 44256), (3328, 41490), (3688, 37440), (3744, 36880), (3840, 35958), (4149, 33280), (4160, 33192), (4608, 29965), (4610, 29952), (4680, 29504), (4992, 27660), (5532, 24960), (5760, 23972), (5993, 23040), (6240, 22128), (6656, 20745), (6915, 19968), (7376, 18720), (7488, 18440), (7680, 17979), (8298, 16640), (8320, 16596), (9220, 14976), (9360, 14752), (9984, 13830), (11064, 12480), (11520, 11986)]