40707540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 124444320

約数和(自身を除く): 83736780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1627, 1668, 2085, 2502, 2780, 3254, 4170, 4881, 5004, 6255, 6508, 8135, 8340, 9762, 12510, 14643, 16270, 19524, 24405, 25020, 29286, 32540, 48810, 58572, 73215, 97620, 146430, 226153, 292860, 452306, 678459, 904612, 1130765, 1356918, 2035377, 2261530, 2713836, 3392295, 4070754, 4523060, 6784590, 8141508, 10176885, 13569180, 20353770, 40707540]

約数ペア:

[(1, 40707540), (2, 20353770), (3, 13569180), (4, 10176885), (5, 8141508), (6, 6784590), (9, 4523060), (10, 4070754), (12, 3392295), (15, 2713836), (18, 2261530), (20, 2035377), (30, 1356918), (36, 1130765), (45, 904612), (60, 678459), (90, 452306), (139, 292860), (180, 226153), (278, 146430), (417, 97620), (556, 73215), (695, 58572), (834, 48810), (1251, 32540), (1390, 29286), (1627, 25020), (1668, 24405), (2085, 19524), (2502, 16270), (2780, 14643), (3254, 12510), (4170, 9762), (4881, 8340), (5004, 8135), (6255, 6508)]