256555680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{534491}}^1$

素因数の和:534509

約数の個数: 48

約数和(自身を含む): 808151904

約数和(自身を除く): 551596224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 534491, 1068982, 1603473, 2137964, 2672455, 3206946, 4275928, 5344910, 6413892, 8017365, 8551856, 10689820, 12827784, 16034730, 17103712, 21379640, 25655568, 32069460, 42759280, 51311136, 64138920, 85518560, 128277840, 256555680]

約数ペア:

[(1, 256555680), (2, 128277840), (3, 85518560), (4, 64138920), (5, 51311136), (6, 42759280), (8, 32069460), (10, 25655568), (12, 21379640), (15, 17103712), (16, 16034730), (20, 12827784), (24, 10689820), (30, 8551856), (32, 8017365), (40, 6413892), (48, 5344910), (60, 4275928), (80, 3206946), (96, 2672455), (120, 2137964), (160, 1603473), (240, 1068982), (480, 534491)]