81857520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37897}}^1$

素因数の和:37919

約数の個数: 80

約数和(自身を含む): 281961120

約数和(自身を除く): 200103600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37897, 75794, 113691, 151588, 189485, 227382, 303176, 341073, 378970, 454764, 568455, 606352, 682146, 757940, 909528, 1023219, 1136910, 1364292, 1515880, 1705365, 1819056, 2046438, 2273820, 2728584, 3031760, 3410730, 4092876, 4547640, 5116095, 5457168, 6821460, 8185752, 9095280, 10232190, 13642920, 16371504, 20464380, 27285840, 40928760, 81857520]

約数ペア:

[(1, 81857520), (2, 40928760), (3, 27285840), (4, 20464380), (5, 16371504), (6, 13642920), (8, 10232190), (9, 9095280), (10, 8185752), (12, 6821460), (15, 5457168), (16, 5116095), (18, 4547640), (20, 4092876), (24, 3410730), (27, 3031760), (30, 2728584), (36, 2273820), (40, 2046438), (45, 1819056), (48, 1705365), (54, 1515880), (60, 1364292), (72, 1136910), (80, 1023219), (90, 909528), (108, 757940), (120, 682146), (135, 606352), (144, 568455), (180, 454764), (216, 378970), (240, 341073), (270, 303176), (360, 227382), (432, 189485), (540, 151588), (720, 113691), (1080, 75794), (2160, 37897)]