205248225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 464970240

約数和(自身を除く): 259722015

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 29, 35, 39, 51, 61, 65, 75, 85, 87, 91, 105, 119, 145, 175, 183, 195, 203, 221, 255, 273, 305, 325, 357, 377, 425, 427, 435, 455, 493, 525, 595, 609, 663, 725, 793, 915, 975, 1015, 1037, 1105, 1131, 1275, 1281, 1365, 1479, 1525, 1547, 1769, 1785, 1885, 2135, 2175, 2275, 2379, 2465, 2639, 2975, 3045, 3111, 3315, 3451, 3965, 4575, 4641, 5075, 5185, 5307, 5525, 5551, 5655, 6405, 6409, 6825, 7259, 7395, 7735, 7917, 8845, 8925, 9425, 10353, 10675, 11895, 12325, 12383, 13195, 13481, 15225, 15555, 16575, 16653, 17255, 19227, 19825, 21777, 22997, 23205, 25925, 26535, 27755, 28275, 30073, 32025, 32045, 36295, 36975, 37149, 38675, 39585, 40443, 44225, 44863, 51765, 59475, 61915, 65975, 67405, 68991, 77775, 83265, 86275, 90219, 94367, 96135, 108885, 114985, 116025, 132675, 134589, 138775, 150365, 160225, 160979, 181475, 185745, 197925, 202215, 210511, 224315, 258825, 283101, 309575, 337025, 344955, 390949, 416325, 451095, 471835, 480675, 482937, 544425, 574925, 631533, 672945, 751825, 804895, 928725, 1011075, 1052555, 1121575, 1172847, 1415505, 1724775, 1954745, 2255475, 2359175, 2414685, 2736643, 3157665, 3364725, 4024475, 5262775, 5864235, 7077525, 8209929, 9773725, 12073425, 13683215, 15788325, 29321175, 41049645, 68416075, 205248225]

約数ペア:

[(1, 205248225), (3, 68416075), (5, 41049645), (7, 29321175), (13, 15788325), (15, 13683215), (17, 12073425), (21, 9773725), (25, 8209929), (29, 7077525), (35, 5864235), (39, 5262775), (51, 4024475), (61, 3364725), (65, 3157665), (75, 2736643), (85, 2414685), (87, 2359175), (91, 2255475), (105, 1954745), (119, 1724775), (145, 1415505), (175, 1172847), (183, 1121575), (195, 1052555), (203, 1011075), (221, 928725), (255, 804895), (273, 751825), (305, 672945), (325, 631533), (357, 574925), (377, 544425), (425, 482937), (427, 480675), (435, 471835), (455, 451095), (493, 416325), (525, 390949), (595, 344955), (609, 337025), (663, 309575), (725, 283101), (793, 258825), (915, 224315), (975, 210511), (1015, 202215), (1037, 197925), (1105, 185745), (1131, 181475), (1275, 160979), (1281, 160225), (1365, 150365), (1479, 138775), (1525, 134589), (1547, 132675), (1769, 116025), (1785, 114985), (1885, 108885), (2135, 96135), (2175, 94367), (2275, 90219), (2379, 86275), (2465, 83265), (2639, 77775), (2975, 68991), (3045, 67405), (3111, 65975), (3315, 61915), (3451, 59475), (3965, 51765), (4575, 44863), (4641, 44225), (5075, 40443), (5185, 39585), (5307, 38675), (5525, 37149), (5551, 36975), (5655, 36295), (6405, 32045), (6409, 32025), (6825, 30073), (7259, 28275), (7395, 27755), (7735, 26535), (7917, 25925), (8845, 23205), (8925, 22997), (9425, 21777), (10353, 19825), (10675, 19227), (11895, 17255), (12325, 16653), (12383, 16575), (13195, 15555), (13481, 15225)]