261627520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5309}}^1$

素因数の和:5346

約数の個数: 128

約数和(自身を含む): 779932800

約数和(自身を除く): 518305280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 5309, 6160, 7040, 9856, 10618, 12320, 21236, 24640, 26545, 37163, 42472, 49280, 53090, 58399, 74326, 84944, 106180, 116798, 148652, 169888, 185815, 212360, 233596, 291995, 297304, 339776, 371630, 408793, 424720, 467192, 583990, 594608, 679552, 743260, 817586, 849440, 934384, 1167980, 1189216, 1486520, 1635172, 1698880, 1868768, 2043965, 2335960, 2378432, 2973040, 3270344, 3397760, 3737536, 4087930, 4671920, 4756864, 5946080, 6540688, 7475072, 8175860, 9343840, 11892160, 13081376, 16351720, 18687680, 23784320, 26162752, 32703440, 37375360, 52325504, 65406880, 130813760, 261627520]

約数ペア:

[(1, 261627520), (2, 130813760), (4, 65406880), (5, 52325504), (7, 37375360), (8, 32703440), (10, 26162752), (11, 23784320), (14, 18687680), (16, 16351720), (20, 13081376), (22, 11892160), (28, 9343840), (32, 8175860), (35, 7475072), (40, 6540688), (44, 5946080), (55, 4756864), (56, 4671920), (64, 4087930), (70, 3737536), (77, 3397760), (80, 3270344), (88, 2973040), (110, 2378432), (112, 2335960), (128, 2043965), (140, 1868768), (154, 1698880), (160, 1635172), (176, 1486520), (220, 1189216), (224, 1167980), (280, 934384), (308, 849440), (320, 817586), (352, 743260), (385, 679552), (440, 594608), (448, 583990), (560, 467192), (616, 424720), (640, 408793), (704, 371630), (770, 339776), (880, 297304), (896, 291995), (1120, 233596), (1232, 212360), (1408, 185815), (1540, 169888), (1760, 148652), (2240, 116798), (2464, 106180), (3080, 84944), (3520, 74326), (4480, 58399), (4928, 53090), (5309, 49280), (6160, 42472), (7040, 37163), (9856, 26545), (10618, 24640), (12320, 21236)]