205245180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 288

約数和(自身を含む): 759507840

約数和(自身を除く): 554262660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 41, 42, 45, 58, 60, 63, 70, 82, 84, 87, 90, 105, 116, 123, 126, 137, 140, 145, 164, 174, 180, 203, 205, 210, 246, 252, 261, 274, 287, 290, 315, 348, 369, 406, 410, 411, 420, 435, 492, 522, 548, 574, 580, 609, 615, 630, 685, 738, 812, 820, 822, 861, 870, 959, 1015, 1044, 1148, 1189, 1218, 1230, 1233, 1260, 1305, 1370, 1435, 1476, 1644, 1722, 1740, 1827, 1845, 1918, 2030, 2055, 2378, 2436, 2460, 2466, 2583, 2610, 2740, 2870, 2877, 3045, 3444, 3567, 3654, 3690, 3836, 3973, 4060, 4110, 4305, 4756, 4795, 4932, 5166, 5220, 5617, 5740, 5754, 5945, 6090, 6165, 7134, 7308, 7380, 7946, 8220, 8323, 8610, 8631, 9135, 9590, 10332, 10701, 11234, 11508, 11890, 11919, 12180, 12330, 12915, 14268, 14385, 15892, 16646, 16851, 17220, 17262, 17835, 18270, 19180, 19865, 21402, 22468, 23780, 23838, 24660, 24969, 25830, 27811, 28085, 28770, 33292, 33702, 34524, 35670, 35757, 36540, 39319, 39730, 41615, 42804, 43155, 47676, 49938, 50553, 51660, 53505, 55622, 56170, 57540, 59595, 67404, 71340, 71514, 74907, 78638, 79460, 83230, 83433, 84255, 86310, 99876, 101106, 107010, 111244, 112340, 117957, 119190, 124845, 139055, 143028, 149814, 157276, 162893, 166460, 166866, 168510, 172620, 178785, 196595, 202212, 214020, 235914, 238380, 249690, 250299, 252765, 278110, 299628, 325786, 333732, 337020, 353871, 357570, 374535, 393190, 417165, 471828, 488679, 499380, 500598, 505530, 556220, 589785, 651572, 707742, 715140, 749070, 786380, 814465, 834330, 977358, 1001196, 1011060, 1140251, 1179570, 1251495, 1415484, 1466037, 1498140, 1628930, 1668660, 1769355, 1954716, 2280502, 2359140, 2443395, 2502990, 2932074, 3257860, 3420753, 3538710, 4561004, 4886790, 5005980, 5701255, 5864148, 6841506, 7077420, 7330185, 9773580, 10262259, 11402510, 13683012, 14660370, 17103765, 20524518, 22805020, 29320740, 34207530, 41049036, 51311295, 68415060, 102622590, 205245180]

約数ペア:

[(1, 205245180), (2, 102622590), (3, 68415060), (4, 51311295), (5, 41049036), (6, 34207530), (7, 29320740), (9, 22805020), (10, 20524518), (12, 17103765), (14, 14660370), (15, 13683012), (18, 11402510), (20, 10262259), (21, 9773580), (28, 7330185), (29, 7077420), (30, 6841506), (35, 5864148), (36, 5701255), (41, 5005980), (42, 4886790), (45, 4561004), (58, 3538710), (60, 3420753), (63, 3257860), (70, 2932074), (82, 2502990), (84, 2443395), (87, 2359140), (90, 2280502), (105, 1954716), (116, 1769355), (123, 1668660), (126, 1628930), (137, 1498140), (140, 1466037), (145, 1415484), (164, 1251495), (174, 1179570), (180, 1140251), (203, 1011060), (205, 1001196), (210, 977358), (246, 834330), (252, 814465), (261, 786380), (274, 749070), (287, 715140), (290, 707742), (315, 651572), (348, 589785), (369, 556220), (406, 505530), (410, 500598), (411, 499380), (420, 488679), (435, 471828), (492, 417165), (522, 393190), (548, 374535), (574, 357570), (580, 353871), (609, 337020), (615, 333732), (630, 325786), (685, 299628), (738, 278110), (812, 252765), (820, 250299), (822, 249690), (861, 238380), (870, 235914), (959, 214020), (1015, 202212), (1044, 196595), (1148, 178785), (1189, 172620), (1218, 168510), (1230, 166866), (1233, 166460), (1260, 162893), (1305, 157276), (1370, 149814), (1435, 143028), (1476, 139055), (1644, 124845), (1722, 119190), (1740, 117957), (1827, 112340), (1845, 111244), (1918, 107010), (2030, 101106), (2055, 99876), (2378, 86310), (2436, 84255), (2460, 83433), (2466, 83230), (2583, 79460), (2610, 78638), (2740, 74907), (2870, 71514), (2877, 71340), (3045, 67404), (3444, 59595), (3567, 57540), (3654, 56170), (3690, 55622), (3836, 53505), (3973, 51660), (4060, 50553), (4110, 49938), (4305, 47676), (4756, 43155), (4795, 42804), (4932, 41615), (5166, 39730), (5220, 39319), (5617, 36540), (5740, 35757), (5754, 35670), (5945, 34524), (6090, 33702), (6165, 33292), (7134, 28770), (7308, 28085), (7380, 27811), (7946, 25830), (8220, 24969), (8323, 24660), (8610, 23838), (8631, 23780), (9135, 22468), (9590, 21402), (10332, 19865), (10701, 19180), (11234, 18270), (11508, 17835), (11890, 17262), (11919, 17220), (12180, 16851), (12330, 16646), (12915, 15892), (14268, 14385)]