68040840

素因数分解:

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

素因数の和:81022

約数の個数: 64

約数和(自身を含む): 233285760

約数和(自身を除く): 165244920

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, 140, 168, 210, 280, 420, 840, 81001, 162002, 243003, 324004, 405005, 486006, 567007, 648008, 810010, 972012, 1134014, 1215015, 1620020, 1701021, 1944024, 2268028, 2430030, 2835035, 3240040, 3402042, 4536056, 4860060, 5670070, 6804084, 8505105, 9720120, 11340140, 13608168, 17010210, 22680280, 34020420, 68040840]

約数ペア:

[(1, 68040840), (2, 34020420), (3, 22680280), (4, 17010210), (5, 13608168), (6, 11340140), (7, 9720120), (8, 8505105), (10, 6804084), (12, 5670070), (14, 4860060), (15, 4536056), (20, 3402042), (21, 3240040), (24, 2835035), (28, 2430030), (30, 2268028), (35, 1944024), (40, 1701021), (42, 1620020), (56, 1215015), (60, 1134014), (70, 972012), (84, 810010), (105, 648008), (120, 567007), (140, 486006), (168, 405005), (210, 324004), (280, 243003), (420, 162002), (840, 81001)]