205166520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4907

約数の個数: 160

約数和(自身を含む): 742785120

約数和(自身を除く): 537618600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 4871, 5265, 7020, 8424, 9742, 10530, 14040, 14613, 19484, 21060, 24355, 29226, 38968, 42120, 43839, 48710, 58452, 63323, 73065, 87678, 97420, 116904, 126646, 131517, 146130, 175356, 189969, 194840, 219195, 253292, 263034, 292260, 316615, 350712, 379938, 394551, 438390, 506584, 526068, 569907, 584520, 633230, 657585, 759876, 789102, 876780, 949845, 1052136, 1139814, 1266460, 1315170, 1519752, 1578204, 1709721, 1753560, 1899690, 1972755, 2279628, 2532920, 2630340, 2849535, 3156408, 3419442, 3799380, 3945510, 4559256, 5129163, 5260680, 5699070, 6838884, 7598760, 7891020, 8548605, 10258326, 11398140, 13677768, 15782040, 17097210, 20516652, 22796280, 25645815, 34194420, 41033304, 51291630, 68388840, 102583260, 205166520]

約数ペア:

[(1, 205166520), (2, 102583260), (3, 68388840), (4, 51291630), (5, 41033304), (6, 34194420), (8, 25645815), (9, 22796280), (10, 20516652), (12, 17097210), (13, 15782040), (15, 13677768), (18, 11398140), (20, 10258326), (24, 8548605), (26, 7891020), (27, 7598760), (30, 6838884), (36, 5699070), (39, 5260680), (40, 5129163), (45, 4559256), (52, 3945510), (54, 3799380), (60, 3419442), (65, 3156408), (72, 2849535), (78, 2630340), (81, 2532920), (90, 2279628), (104, 1972755), (108, 1899690), (117, 1753560), (120, 1709721), (130, 1578204), (135, 1519752), (156, 1315170), (162, 1266460), (180, 1139814), (195, 1052136), (216, 949845), (234, 876780), (260, 789102), (270, 759876), (312, 657585), (324, 633230), (351, 584520), (360, 569907), (390, 526068), (405, 506584), (468, 438390), (520, 394551), (540, 379938), (585, 350712), (648, 316615), (702, 292260), (780, 263034), (810, 253292), (936, 219195), (1053, 194840), (1080, 189969), (1170, 175356), (1404, 146130), (1560, 131517), (1620, 126646), (1755, 116904), (2106, 97420), (2340, 87678), (2808, 73065), (3240, 63323), (3510, 58452), (4212, 48710), (4680, 43839), (4871, 42120), (5265, 38968), (7020, 29226), (8424, 24355), (9742, 21060), (10530, 19484), (14040, 14613)]