257561280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89431}}^1$

素因数の和:89454

約数の個数: 84

約数和(自身を含む): 885913392

約数和(自身を除く): 628352112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89431, 178862, 268293, 357724, 447155, 536586, 715448, 804879, 894310, 1073172, 1341465, 1430896, 1609758, 1788620, 2146344, 2682930, 2861792, 3219516, 3577240, 4024395, 4292688, 5365860, 5723584, 6439032, 7154480, 8048790, 8585376, 10731720, 12878064, 14308960, 16097580, 17170752, 21463440, 25756128, 28617920, 32195160, 42926880, 51512256, 64390320, 85853760, 128780640, 257561280]

約数ペア:

[(1, 257561280), (2, 128780640), (3, 85853760), (4, 64390320), (5, 51512256), (6, 42926880), (8, 32195160), (9, 28617920), (10, 25756128), (12, 21463440), (15, 17170752), (16, 16097580), (18, 14308960), (20, 12878064), (24, 10731720), (30, 8585376), (32, 8048790), (36, 7154480), (40, 6439032), (45, 5723584), (48, 5365860), (60, 4292688), (64, 4024395), (72, 3577240), (80, 3219516), (90, 2861792), (96, 2682930), (120, 2146344), (144, 1788620), (160, 1609758), (180, 1430896), (192, 1341465), (240, 1073172), (288, 894310), (320, 804879), (360, 715448), (480, 536586), (576, 447155), (720, 357724), (960, 268293), (1440, 178862), (2880, 89431)]