2178703620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{205151}}^1$

素因数の和:205225

約数の個数: 72

約数和(自身を含む): 6720779520

約数和(自身を除く): 4542075900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 205151, 410302, 615453, 820604, 1025755, 1230906, 1846359, 2051510, 2461812, 3077265, 3692718, 4103020, 6154530, 7385436, 9231795, 12103909, 12309060, 18463590, 24207818, 36311727, 36927180, 48415636, 60519545, 72623454, 108935181, 121039090, 145246908, 181558635, 217870362, 242078180, 363117270, 435740724, 544675905, 726234540, 1089351810, 2178703620]

約数ペア:

[(1, 2178703620), (2, 1089351810), (3, 726234540), (4, 544675905), (5, 435740724), (6, 363117270), (9, 242078180), (10, 217870362), (12, 181558635), (15, 145246908), (18, 121039090), (20, 108935181), (30, 72623454), (36, 60519545), (45, 48415636), (59, 36927180), (60, 36311727), (90, 24207818), (118, 18463590), (177, 12309060), (180, 12103909), (236, 9231795), (295, 7385436), (354, 6154530), (531, 4103020), (590, 3692718), (708, 3077265), (885, 2461812), (1062, 2051510), (1180, 1846359), (1770, 1230906), (2124, 1025755), (2655, 820604), (3540, 615453), (5310, 410302), (10620, 205151)]