204564420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{378823}}^1$

素因数の和:378841

約数の個数: 48

約数和(自身を含む): 636424320

約数和(自身を除く): 431859900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 378823, 757646, 1136469, 1515292, 1894115, 2272938, 3409407, 3788230, 4545876, 5682345, 6818814, 7576460, 10228221, 11364690, 13637628, 17047035, 20456442, 22729380, 34094070, 40912884, 51141105, 68188140, 102282210, 204564420]

約数ペア:

[(1, 204564420), (2, 102282210), (3, 68188140), (4, 51141105), (5, 40912884), (6, 34094070), (9, 22729380), (10, 20456442), (12, 17047035), (15, 13637628), (18, 11364690), (20, 10228221), (27, 7576460), (30, 6818814), (36, 5682345), (45, 4545876), (54, 3788230), (60, 3409407), (90, 2272938), (108, 1894115), (135, 1515292), (180, 1136469), (270, 757646), (540, 378823)]