205999080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1931}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 712212480

約数和(自身を除く): 506213400

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, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 1931, 2540, 2667, 3048, 3556, 3810, 3862, 4445, 5080, 5334, 5793, 7112, 7620, 7724, 8890, 9655, 10668, 11586, 13335, 13517, 15240, 15448, 17780, 19310, 21336, 23172, 26670, 27034, 28965, 35560, 38620, 40551, 46344, 53340, 54068, 57930, 67585, 77240, 81102, 106680, 108136, 115860, 135170, 162204, 202755, 231720, 245237, 270340, 324408, 405510, 490474, 540680, 735711, 811020, 980948, 1226185, 1471422, 1622040, 1716659, 1961896, 2452370, 2942844, 3433318, 3678555, 4904740, 5149977, 5885688, 6866636, 7357110, 8583295, 9809480, 10299954, 13733272, 14714220, 17166590, 20599908, 25749885, 29428440, 34333180, 41199816, 51499770, 68666360, 102999540, 205999080]

約数ペア:

[(1, 205999080), (2, 102999540), (3, 68666360), (4, 51499770), (5, 41199816), (6, 34333180), (7, 29428440), (8, 25749885), (10, 20599908), (12, 17166590), (14, 14714220), (15, 13733272), (20, 10299954), (21, 9809480), (24, 8583295), (28, 7357110), (30, 6866636), (35, 5885688), (40, 5149977), (42, 4904740), (56, 3678555), (60, 3433318), (70, 2942844), (84, 2452370), (105, 1961896), (120, 1716659), (127, 1622040), (140, 1471422), (168, 1226185), (210, 980948), (254, 811020), (280, 735711), (381, 540680), (420, 490474), (508, 405510), (635, 324408), (762, 270340), (840, 245237), (889, 231720), (1016, 202755), (1270, 162204), (1524, 135170), (1778, 115860), (1905, 108136), (1931, 106680), (2540, 81102), (2667, 77240), (3048, 67585), (3556, 57930), (3810, 54068), (3862, 53340), (4445, 46344), (5080, 40551), (5334, 38620), (5793, 35560), (7112, 28965), (7620, 27034), (7724, 26670), (8890, 23172), (9655, 21336), (10668, 19310), (11586, 17780), (13335, 15448), (13517, 15240)]