181197240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2109

約数の個数: 128

約数和(自身を含む): 627264000

約数和(自身を除く): 446066760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 1979, 2180, 2289, 2616, 3052, 3270, 3815, 3958, 4360, 4578, 5937, 6104, 6540, 7630, 7916, 9156, 9895, 11445, 11874, 13080, 13853, 15260, 15832, 18312, 19790, 22890, 23748, 27706, 29685, 30520, 39580, 41559, 45780, 47496, 55412, 59370, 69265, 79160, 83118, 91560, 110824, 118740, 138530, 166236, 207795, 215711, 237480, 277060, 332472, 415590, 431422, 554120, 647133, 831180, 862844, 1078555, 1294266, 1509977, 1662360, 1725688, 2157110, 2588532, 3019954, 3235665, 4314220, 4529931, 5177064, 6039908, 6471330, 7549885, 8628440, 9059862, 12079816, 12942660, 15099770, 18119724, 22649655, 25885320, 30199540, 36239448, 45299310, 60399080, 90598620, 181197240]

約数ペア:

[(1, 181197240), (2, 90598620), (3, 60399080), (4, 45299310), (5, 36239448), (6, 30199540), (7, 25885320), (8, 22649655), (10, 18119724), (12, 15099770), (14, 12942660), (15, 12079816), (20, 9059862), (21, 8628440), (24, 7549885), (28, 6471330), (30, 6039908), (35, 5177064), (40, 4529931), (42, 4314220), (56, 3235665), (60, 3019954), (70, 2588532), (84, 2157110), (105, 1725688), (109, 1662360), (120, 1509977), (140, 1294266), (168, 1078555), (210, 862844), (218, 831180), (280, 647133), (327, 554120), (420, 431422), (436, 415590), (545, 332472), (654, 277060), (763, 237480), (840, 215711), (872, 207795), (1090, 166236), (1308, 138530), (1526, 118740), (1635, 110824), (1979, 91560), (2180, 83118), (2289, 79160), (2616, 69265), (3052, 59370), (3270, 55412), (3815, 47496), (3958, 45780), (4360, 41559), (4578, 39580), (5937, 30520), (6104, 29685), (6540, 27706), (7630, 23748), (7916, 22890), (9156, 19790), (9895, 18312), (11445, 15832), (11874, 15260), (13080, 13853)]