278210240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1655

約数の個数: 168

約数和(自身を含む): 841229712

約数和(自身を除く): 563019472

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1613, 1760, 1960, 2156, 2240, 2464, 2695, 3080, 3136, 3226, 3520, 3920, 4312, 4928, 5390, 6160, 6452, 7840, 8065, 8624, 10780, 11291, 12320, 12904, 15680, 16130, 17248, 17743, 21560, 22582, 24640, 25808, 32260, 34496, 35486, 43120, 45164, 51616, 56455, 64520, 70972, 79037, 86240, 88715, 90328, 103232, 112910, 124201, 129040, 141944, 158074, 172480, 177430, 180656, 225820, 248402, 258080, 283888, 316148, 354860, 361312, 395185, 451640, 496804, 516160, 567776, 621005, 632296, 709720, 722624, 790370, 869407, 903280, 993608, 1135552, 1242010, 1264592, 1419440, 1580740, 1738814, 1806560, 1987216, 2484020, 2529184, 2838880, 3161480, 3477628, 3613120, 3974432, 4347035, 4968040, 5058368, 5677760, 6322960, 6955256, 7948864, 8694070, 9936080, 12645920, 13910512, 17388140, 19872160, 25291840, 27821024, 34776280, 39744320, 55642048, 69552560, 139105120, 278210240]

約数ペア:

[(1, 278210240), (2, 139105120), (4, 69552560), (5, 55642048), (7, 39744320), (8, 34776280), (10, 27821024), (11, 25291840), (14, 19872160), (16, 17388140), (20, 13910512), (22, 12645920), (28, 9936080), (32, 8694070), (35, 7948864), (40, 6955256), (44, 6322960), (49, 5677760), (55, 5058368), (56, 4968040), (64, 4347035), (70, 3974432), (77, 3613120), (80, 3477628), (88, 3161480), (98, 2838880), (110, 2529184), (112, 2484020), (140, 1987216), (154, 1806560), (160, 1738814), (176, 1580740), (196, 1419440), (220, 1264592), (224, 1242010), (245, 1135552), (280, 993608), (308, 903280), (320, 869407), (352, 790370), (385, 722624), (392, 709720), (440, 632296), (448, 621005), (490, 567776), (539, 516160), (560, 496804), (616, 451640), (704, 395185), (770, 361312), (784, 354860), (880, 316148), (980, 283888), (1078, 258080), (1120, 248402), (1232, 225820), (1540, 180656), (1568, 177430), (1613, 172480), (1760, 158074), (1960, 141944), (2156, 129040), (2240, 124201), (2464, 112910), (2695, 103232), (3080, 90328), (3136, 88715), (3226, 86240), (3520, 79037), (3920, 70972), (4312, 64520), (4928, 56455), (5390, 51616), (6160, 45164), (6452, 43120), (7840, 35486), (8065, 34496), (8624, 32260), (10780, 25808), (11291, 24640), (12320, 22582), (12904, 21560), (15680, 17743), (16130, 17248)]