256506780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2657}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 718935840

約数和(自身を除く): 462429060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1609, 2657, 3218, 4827, 5314, 6436, 7971, 8045, 9654, 10628, 13285, 15942, 16090, 19308, 24135, 26570, 31884, 32180, 39855, 48270, 53140, 79710, 96540, 159420, 4275113, 8550226, 12825339, 17100452, 21375565, 25650678, 42751130, 51301356, 64126695, 85502260, 128253390, 256506780]

約数ペア:

[(1, 256506780), (2, 128253390), (3, 85502260), (4, 64126695), (5, 51301356), (6, 42751130), (10, 25650678), (12, 21375565), (15, 17100452), (20, 12825339), (30, 8550226), (60, 4275113), (1609, 159420), (2657, 96540), (3218, 79710), (4827, 53140), (5314, 48270), (6436, 39855), (7971, 32180), (8045, 31884), (9654, 26570), (10628, 24135), (13285, 19308), (15942, 16090)]