257755392

素因数分解:

$2^8\times 3^3\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 772632000

約数和(自身を除く): 514876608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 89, 96, 108, 128, 144, 178, 192, 216, 256, 267, 288, 356, 384, 419, 432, 534, 576, 712, 768, 801, 838, 864, 1068, 1152, 1257, 1424, 1602, 1676, 1728, 2136, 2304, 2403, 2514, 2848, 3204, 3352, 3456, 3771, 4272, 4806, 5028, 5696, 6408, 6704, 6912, 7542, 8544, 9612, 10056, 11313, 11392, 12816, 13408, 15084, 17088, 19224, 20112, 22626, 22784, 25632, 26816, 30168, 34176, 37291, 38448, 40224, 45252, 51264, 53632, 60336, 68352, 74582, 76896, 80448, 90504, 102528, 107264, 111873, 120672, 149164, 153792, 160896, 181008, 205056, 223746, 241344, 298328, 307584, 321792, 335619, 362016, 447492, 482688, 596656, 615168, 671238, 724032, 894984, 965376, 1006857, 1193312, 1342476, 1448064, 1789968, 2013714, 2386624, 2684952, 2896128, 3579936, 4027428, 4773248, 5369904, 7159872, 8054856, 9546496, 10739808, 14319744, 16109712, 21479616, 28639488, 32219424, 42959232, 64438848, 85918464, 128877696, 257755392]

約数ペア:

[(1, 257755392), (2, 128877696), (3, 85918464), (4, 64438848), (6, 42959232), (8, 32219424), (9, 28639488), (12, 21479616), (16, 16109712), (18, 14319744), (24, 10739808), (27, 9546496), (32, 8054856), (36, 7159872), (48, 5369904), (54, 4773248), (64, 4027428), (72, 3579936), (89, 2896128), (96, 2684952), (108, 2386624), (128, 2013714), (144, 1789968), (178, 1448064), (192, 1342476), (216, 1193312), (256, 1006857), (267, 965376), (288, 894984), (356, 724032), (384, 671238), (419, 615168), (432, 596656), (534, 482688), (576, 447492), (712, 362016), (768, 335619), (801, 321792), (838, 307584), (864, 298328), (1068, 241344), (1152, 223746), (1257, 205056), (1424, 181008), (1602, 160896), (1676, 153792), (1728, 149164), (2136, 120672), (2304, 111873), (2403, 107264), (2514, 102528), (2848, 90504), (3204, 80448), (3352, 76896), (3456, 74582), (3771, 68352), (4272, 60336), (4806, 53632), (5028, 51264), (5696, 45252), (6408, 40224), (6704, 38448), (6912, 37291), (7542, 34176), (8544, 30168), (9612, 26816), (10056, 25632), (11313, 22784), (11392, 22626), (12816, 20112), (13408, 19224), (15084, 17088)]