57180420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28879}}^1$

素因数の和:28905

約数の個数: 72

約数和(自身を含む): 189221760

約数和(自身を除く): 132041340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28879, 57758, 86637, 115516, 144395, 173274, 259911, 288790, 317669, 346548, 433185, 519822, 577580, 635338, 866370, 953007, 1039644, 1270676, 1299555, 1588345, 1732740, 1906014, 2599110, 2859021, 3176690, 3812028, 4765035, 5198220, 5718042, 6353380, 9530070, 11436084, 14295105, 19060140, 28590210, 57180420]

約数ペア:

[(1, 57180420), (2, 28590210), (3, 19060140), (4, 14295105), (5, 11436084), (6, 9530070), (9, 6353380), (10, 5718042), (11, 5198220), (12, 4765035), (15, 3812028), (18, 3176690), (20, 2859021), (22, 2599110), (30, 1906014), (33, 1732740), (36, 1588345), (44, 1299555), (45, 1270676), (55, 1039644), (60, 953007), (66, 866370), (90, 635338), (99, 577580), (110, 519822), (132, 433185), (165, 346548), (180, 317669), (198, 288790), (220, 259911), (330, 173274), (396, 144395), (495, 115516), (660, 86637), (990, 57758), (1980, 28879)]