31133820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 90430704

約数和(自身を除く): 59296884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 617, 841, 870, 1234, 1682, 1740, 1851, 2468, 2523, 3085, 3364, 3702, 4205, 5046, 6170, 7404, 8410, 9255, 10092, 12340, 12615, 16820, 17893, 18510, 25230, 35786, 37020, 50460, 53679, 71572, 89465, 107358, 178930, 214716, 268395, 357860, 518897, 536790, 1037794, 1073580, 1556691, 2075588, 2594485, 3113382, 5188970, 6226764, 7783455, 10377940, 15566910, 31133820]

約数ペア:

[(1, 31133820), (2, 15566910), (3, 10377940), (4, 7783455), (5, 6226764), (6, 5188970), (10, 3113382), (12, 2594485), (15, 2075588), (20, 1556691), (29, 1073580), (30, 1037794), (58, 536790), (60, 518897), (87, 357860), (116, 268395), (145, 214716), (174, 178930), (290, 107358), (348, 89465), (435, 71572), (580, 53679), (617, 50460), (841, 37020), (870, 35786), (1234, 25230), (1682, 18510), (1740, 17893), (1851, 16820), (2468, 12615), (2523, 12340), (3085, 10092), (3364, 9255), (3702, 8410), (4205, 7404), (5046, 6170)]