18285960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2011

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 50142840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 1979, 2310, 3080, 3958, 4620, 5937, 7916, 9240, 9895, 11874, 13853, 15832, 19790, 21769, 23748, 27706, 29685, 39580, 41559, 43538, 47496, 55412, 59370, 65307, 69265, 79160, 83118, 87076, 108845, 110824, 118740, 130614, 138530, 152383, 166236, 174152, 207795, 217690, 237480, 261228, 277060, 304766, 326535, 332472, 415590, 435380, 457149, 522456, 554120, 609532, 653070, 761915, 831180, 870760, 914298, 1219064, 1306140, 1523830, 1662360, 1828596, 2285745, 2612280, 3047660, 3657192, 4571490, 6095320, 9142980, 18285960]

約数ペア:

[(1, 18285960), (2, 9142980), (3, 6095320), (4, 4571490), (5, 3657192), (6, 3047660), (7, 2612280), (8, 2285745), (10, 1828596), (11, 1662360), (12, 1523830), (14, 1306140), (15, 1219064), (20, 914298), (21, 870760), (22, 831180), (24, 761915), (28, 653070), (30, 609532), (33, 554120), (35, 522456), (40, 457149), (42, 435380), (44, 415590), (55, 332472), (56, 326535), (60, 304766), (66, 277060), (70, 261228), (77, 237480), (84, 217690), (88, 207795), (105, 174152), (110, 166236), (120, 152383), (132, 138530), (140, 130614), (154, 118740), (165, 110824), (168, 108845), (210, 87076), (220, 83118), (231, 79160), (264, 69265), (280, 65307), (308, 59370), (330, 55412), (385, 47496), (420, 43538), (440, 41559), (462, 39580), (616, 29685), (660, 27706), (770, 23748), (840, 21769), (924, 19790), (1155, 15832), (1320, 13853), (1540, 11874), (1848, 9895), (1979, 9240), (2310, 7916), (3080, 5937), (3958, 4620)]