51779520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 224

約数和(自身を含む): 197144640

約数和(自身を除く): 145365120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 461, 468, 480, 520, 540, 576, 585, 624, 702, 720, 780, 832, 864, 922, 936, 960, 1040, 1080, 1170, 1248, 1383, 1404, 1440, 1560, 1728, 1755, 1844, 1872, 2080, 2160, 2305, 2340, 2496, 2766, 2808, 2880, 3120, 3510, 3688, 3744, 4149, 4160, 4320, 4610, 4680, 5532, 5616, 5993, 6240, 6915, 7020, 7376, 7488, 8298, 8640, 9220, 9360, 11064, 11232, 11986, 12447, 12480, 13830, 14040, 14752, 16596, 17979, 18440, 18720, 20745, 22128, 22464, 23972, 24894, 27660, 28080, 29504, 29965, 33192, 35958, 36880, 37440, 41490, 44256, 47944, 49788, 53937, 55320, 56160, 59930, 62235, 66384, 71916, 73760, 82980, 88512, 89895, 95888, 99576, 107874, 110640, 112320, 119860, 124470, 132768, 143832, 147520, 161811, 165960, 179790, 191776, 199152, 215748, 221280, 239720, 248940, 265536, 269685, 287664, 323622, 331920, 359580, 383552, 398304, 431496, 442560, 479440, 497880, 539370, 575328, 647244, 663840, 719160, 796608, 809055, 862992, 958880, 995760, 1078740, 1150656, 1294488, 1327680, 1438320, 1618110, 1725984, 1917760, 1991520, 2157480, 2588976, 2876640, 3236220, 3451968, 3983040, 4314960, 5177952, 5753280, 6472440, 8629920, 10355904, 12944880, 17259840, 25889760, 51779520]

約数ペア:

[(1, 51779520), (2, 25889760), (3, 17259840), (4, 12944880), (5, 10355904), (6, 8629920), (8, 6472440), (9, 5753280), (10, 5177952), (12, 4314960), (13, 3983040), (15, 3451968), (16, 3236220), (18, 2876640), (20, 2588976), (24, 2157480), (26, 1991520), (27, 1917760), (30, 1725984), (32, 1618110), (36, 1438320), (39, 1327680), (40, 1294488), (45, 1150656), (48, 1078740), (52, 995760), (54, 958880), (60, 862992), (64, 809055), (65, 796608), (72, 719160), (78, 663840), (80, 647244), (90, 575328), (96, 539370), (104, 497880), (108, 479440), (117, 442560), (120, 431496), (130, 398304), (135, 383552), (144, 359580), (156, 331920), (160, 323622), (180, 287664), (192, 269685), (195, 265536), (208, 248940), (216, 239720), (234, 221280), (240, 215748), (260, 199152), (270, 191776), (288, 179790), (312, 165960), (320, 161811), (351, 147520), (360, 143832), (390, 132768), (416, 124470), (432, 119860), (461, 112320), (468, 110640), (480, 107874), (520, 99576), (540, 95888), (576, 89895), (585, 88512), (624, 82980), (702, 73760), (720, 71916), (780, 66384), (832, 62235), (864, 59930), (922, 56160), (936, 55320), (960, 53937), (1040, 49788), (1080, 47944), (1170, 44256), (1248, 41490), (1383, 37440), (1404, 36880), (1440, 35958), (1560, 33192), (1728, 29965), (1755, 29504), (1844, 28080), (1872, 27660), (2080, 24894), (2160, 23972), (2305, 22464), (2340, 22128), (2496, 20745), (2766, 18720), (2808, 18440), (2880, 17979), (3120, 16596), (3510, 14752), (3688, 14040), (3744, 13830), (4149, 12480), (4160, 12447), (4320, 11986), (4610, 11232), (4680, 11064), (5532, 9360), (5616, 9220), (5993, 8640), (6240, 8298), (6915, 7488), (7020, 7376)]