257572080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{357739}}^1$

素因数の和:357758

約数の個数: 60

約数和(自身を含む): 865015320

約数和(自身を除く): 607443240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 357739, 715478, 1073217, 1430956, 1788695, 2146434, 2861912, 3219651, 3577390, 4292868, 5366085, 5723824, 6439302, 7154780, 8585736, 10732170, 12878604, 14309560, 16098255, 17171472, 21464340, 25757208, 28619120, 32196510, 42928680, 51514416, 64393020, 85857360, 128786040, 257572080]

約数ペア:

[(1, 257572080), (2, 128786040), (3, 85857360), (4, 64393020), (5, 51514416), (6, 42928680), (8, 32196510), (9, 28619120), (10, 25757208), (12, 21464340), (15, 17171472), (16, 16098255), (18, 14309560), (20, 12878604), (24, 10732170), (30, 8585736), (36, 7154780), (40, 6439302), (45, 5723824), (48, 5366085), (60, 4292868), (72, 3577390), (80, 3219651), (90, 2861912), (120, 2146434), (144, 1788695), (180, 1430956), (240, 1073217), (360, 715478), (720, 357739)]