18144280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 52462080

約数和(自身を除く): 34317800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 137, 140, 154, 172, 215, 220, 274, 280, 301, 308, 344, 385, 430, 440, 473, 548, 602, 616, 685, 770, 860, 946, 959, 1096, 1204, 1370, 1505, 1507, 1540, 1720, 1892, 1918, 2365, 2408, 2740, 3010, 3014, 3080, 3311, 3784, 3836, 4730, 4795, 5480, 5891, 6020, 6028, 6622, 7535, 7672, 9460, 9590, 10549, 11782, 12040, 12056, 13244, 15070, 16555, 18920, 19180, 21098, 23564, 26488, 29455, 30140, 33110, 38360, 41237, 42196, 47128, 52745, 58910, 60280, 64801, 66220, 82474, 84392, 105490, 117820, 129602, 132440, 164948, 206185, 210980, 235640, 259204, 324005, 329896, 412370, 421960, 453607, 518408, 648010, 824740, 907214, 1296020, 1649480, 1814428, 2268035, 2592040, 3628856, 4536070, 9072140, 18144280]

約数ペア:

[(1, 18144280), (2, 9072140), (4, 4536070), (5, 3628856), (7, 2592040), (8, 2268035), (10, 1814428), (11, 1649480), (14, 1296020), (20, 907214), (22, 824740), (28, 648010), (35, 518408), (40, 453607), (43, 421960), (44, 412370), (55, 329896), (56, 324005), (70, 259204), (77, 235640), (86, 210980), (88, 206185), (110, 164948), (137, 132440), (140, 129602), (154, 117820), (172, 105490), (215, 84392), (220, 82474), (274, 66220), (280, 64801), (301, 60280), (308, 58910), (344, 52745), (385, 47128), (430, 42196), (440, 41237), (473, 38360), (548, 33110), (602, 30140), (616, 29455), (685, 26488), (770, 23564), (860, 21098), (946, 19180), (959, 18920), (1096, 16555), (1204, 15070), (1370, 13244), (1505, 12056), (1507, 12040), (1540, 11782), (1720, 10549), (1892, 9590), (1918, 9460), (2365, 7672), (2408, 7535), (2740, 6622), (3010, 6028), (3014, 6020), (3080, 5891), (3311, 5480), (3784, 4795), (3836, 4730)]