261062568

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 786240000

約数和(自身を除く): 525177432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 239, 312, 351, 389, 468, 478, 702, 717, 778, 936, 956, 1167, 1404, 1434, 1556, 1912, 2151, 2334, 2808, 2868, 3107, 3112, 3501, 4302, 4668, 5057, 5736, 6214, 6453, 7002, 8604, 9321, 9336, 10114, 10503, 12428, 12906, 14004, 15171, 17208, 18642, 20228, 21006, 24856, 25812, 27963, 28008, 30342, 37284, 40456, 42012, 45513, 51624, 55926, 60684, 74568, 83889, 84024, 91026, 92971, 111852, 121368, 136539, 167778, 182052, 185942, 223704, 273078, 278913, 335556, 364104, 371884, 546156, 557826, 671112, 743768, 836739, 1092312, 1115652, 1208623, 1673478, 2231304, 2417246, 2510217, 3346956, 3625869, 4834492, 5020434, 6693912, 7251738, 9668984, 10040868, 10877607, 14503476, 20081736, 21755214, 29006952, 32632821, 43510428, 65265642, 87020856, 130531284, 261062568]

約数ペア:

[(1, 261062568), (2, 130531284), (3, 87020856), (4, 65265642), (6, 43510428), (8, 32632821), (9, 29006952), (12, 21755214), (13, 20081736), (18, 14503476), (24, 10877607), (26, 10040868), (27, 9668984), (36, 7251738), (39, 6693912), (52, 5020434), (54, 4834492), (72, 3625869), (78, 3346956), (104, 2510217), (108, 2417246), (117, 2231304), (156, 1673478), (216, 1208623), (234, 1115652), (239, 1092312), (312, 836739), (351, 743768), (389, 671112), (468, 557826), (478, 546156), (702, 371884), (717, 364104), (778, 335556), (936, 278913), (956, 273078), (1167, 223704), (1404, 185942), (1434, 182052), (1556, 167778), (1912, 136539), (2151, 121368), (2334, 111852), (2808, 92971), (2868, 91026), (3107, 84024), (3112, 83889), (3501, 74568), (4302, 60684), (4668, 55926), (5057, 51624), (5736, 45513), (6214, 42012), (6453, 40456), (7002, 37284), (8604, 30342), (9321, 28008), (9336, 27963), (10114, 25812), (10503, 24856), (12428, 21006), (12906, 20228), (14004, 18642), (15171, 17208)]