204122520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{81001}}^1$

素因数の和:81025

約数の個数: 96

約数和(自身を含む): 758178720

約数和(自身を除く): 554056200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 81001, 162002, 243003, 324004, 405005, 486006, 567007, 648008, 729009, 810010, 972012, 1134014, 1215015, 1458018, 1620020, 1701021, 1944024, 2268028, 2430030, 2835035, 2916036, 3240040, 3402042, 3645045, 4536056, 4860060, 5103063, 5670070, 5832072, 6804084, 7290090, 8505105, 9720120, 10206126, 11340140, 13608168, 14580180, 17010210, 20412252, 22680280, 25515315, 29160360, 34020420, 40824504, 51030630, 68040840, 102061260, 204122520]

約数ペア:

[(1, 204122520), (2, 102061260), (3, 68040840), (4, 51030630), (5, 40824504), (6, 34020420), (7, 29160360), (8, 25515315), (9, 22680280), (10, 20412252), (12, 17010210), (14, 14580180), (15, 13608168), (18, 11340140), (20, 10206126), (21, 9720120), (24, 8505105), (28, 7290090), (30, 6804084), (35, 5832072), (36, 5670070), (40, 5103063), (42, 4860060), (45, 4536056), (56, 3645045), (60, 3402042), (63, 3240040), (70, 2916036), (72, 2835035), (84, 2430030), (90, 2268028), (105, 1944024), (120, 1701021), (126, 1620020), (140, 1458018), (168, 1215015), (180, 1134014), (210, 972012), (252, 810010), (280, 729009), (315, 648008), (360, 567007), (420, 486006), (504, 405005), (630, 324004), (840, 243003), (1260, 162002), (2520, 81001)]