40057020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 122456880

約数和(自身を除く): 82399860

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, 1601, 1668, 2085, 2502, 2780, 3202, 4170, 4803, 5004, 6255, 6404, 8005, 8340, 9606, 12510, 14409, 16010, 19212, 24015, 25020, 28818, 32020, 48030, 57636, 72045, 96060, 144090, 222539, 288180, 445078, 667617, 890156, 1112695, 1335234, 2002851, 2225390, 2670468, 3338085, 4005702, 4450780, 6676170, 8011404, 10014255, 13352340, 20028510, 40057020]

約数ペア:

[(1, 40057020), (2, 20028510), (3, 13352340), (4, 10014255), (5, 8011404), (6, 6676170), (9, 4450780), (10, 4005702), (12, 3338085), (15, 2670468), (18, 2225390), (20, 2002851), (30, 1335234), (36, 1112695), (45, 890156), (60, 667617), (90, 445078), (139, 288180), (180, 222539), (278, 144090), (417, 96060), (556, 72045), (695, 57636), (834, 48030), (1251, 32020), (1390, 28818), (1601, 25020), (1668, 24015), (2085, 19212), (2502, 16010), (2780, 14409), (3202, 12510), (4170, 9606), (4803, 8340), (5004, 8005), (6255, 6404)]