254691840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2590

約数の個数: 160

約数和(自身を含む): 877193856

約数和(自身を除く): 622502016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2551, 2560, 3120, 3328, 3840, 4160, 4992, 5102, 6240, 6656, 7653, 7680, 8320, 9984, 10204, 12480, 12755, 15306, 16640, 19968, 20408, 24960, 25510, 30612, 33163, 33280, 38265, 40816, 49920, 51020, 61224, 66326, 76530, 81632, 99489, 99840, 102040, 122448, 132652, 153060, 163264, 165815, 198978, 204080, 244896, 265304, 306120, 326528, 331630, 397956, 408160, 489792, 497445, 530608, 612240, 653056, 663260, 795912, 816320, 979584, 994890, 1061216, 1224480, 1306112, 1326520, 1591824, 1632640, 1959168, 1989780, 2122432, 2448960, 2653040, 3183648, 3265280, 3918336, 3979560, 4244864, 4897920, 5306080, 6367296, 6530560, 7959120, 8489728, 9795840, 10612160, 12734592, 15918240, 16979456, 19591680, 21224320, 25469184, 31836480, 42448640, 50938368, 63672960, 84897280, 127345920, 254691840]

約数ペア:

[(1, 254691840), (2, 127345920), (3, 84897280), (4, 63672960), (5, 50938368), (6, 42448640), (8, 31836480), (10, 25469184), (12, 21224320), (13, 19591680), (15, 16979456), (16, 15918240), (20, 12734592), (24, 10612160), (26, 9795840), (30, 8489728), (32, 7959120), (39, 6530560), (40, 6367296), (48, 5306080), (52, 4897920), (60, 4244864), (64, 3979560), (65, 3918336), (78, 3265280), (80, 3183648), (96, 2653040), (104, 2448960), (120, 2122432), (128, 1989780), (130, 1959168), (156, 1632640), (160, 1591824), (192, 1326520), (195, 1306112), (208, 1224480), (240, 1061216), (256, 994890), (260, 979584), (312, 816320), (320, 795912), (384, 663260), (390, 653056), (416, 612240), (480, 530608), (512, 497445), (520, 489792), (624, 408160), (640, 397956), (768, 331630), (780, 326528), (832, 306120), (960, 265304), (1040, 244896), (1248, 204080), (1280, 198978), (1536, 165815), (1560, 163264), (1664, 153060), (1920, 132652), (2080, 122448), (2496, 102040), (2551, 99840), (2560, 99489), (3120, 81632), (3328, 76530), (3840, 66326), (4160, 61224), (4992, 51020), (5102, 49920), (6240, 40816), (6656, 38265), (7653, 33280), (7680, 33163), (8320, 30612), (9984, 25510), (10204, 24960), (12480, 20408), (12755, 19968), (15306, 16640)]