255645760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2213}}^1$

素因数の和:2268

約数の個数: 84

約数和(自身を含む): 642772908

約数和(自身を除く): 387127148

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 361, 380, 608, 722, 760, 1216, 1444, 1520, 1805, 2213, 2888, 3040, 3610, 4426, 5776, 6080, 7220, 8852, 11065, 11552, 14440, 17704, 22130, 23104, 28880, 35408, 42047, 44260, 57760, 70816, 84094, 88520, 115520, 141632, 168188, 177040, 210235, 336376, 354080, 420470, 672752, 708160, 798893, 840940, 1345504, 1597786, 1681880, 2691008, 3195572, 3363760, 3994465, 6391144, 6727520, 7988930, 12782288, 13455040, 15977860, 25564576, 31955720, 51129152, 63911440, 127822880, 255645760]

約数ペア:

[(1, 255645760), (2, 127822880), (4, 63911440), (5, 51129152), (8, 31955720), (10, 25564576), (16, 15977860), (19, 13455040), (20, 12782288), (32, 7988930), (38, 6727520), (40, 6391144), (64, 3994465), (76, 3363760), (80, 3195572), (95, 2691008), (152, 1681880), (160, 1597786), (190, 1345504), (304, 840940), (320, 798893), (361, 708160), (380, 672752), (608, 420470), (722, 354080), (760, 336376), (1216, 210235), (1444, 177040), (1520, 168188), (1805, 141632), (2213, 115520), (2888, 88520), (3040, 84094), (3610, 70816), (4426, 57760), (5776, 44260), (6080, 42047), (7220, 35408), (8852, 28880), (11065, 23104), (11552, 22130), (14440, 17704)]