251133120

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12457}}^1$

素因数の和:12487

約数の個数: 168

約数和(自身を含む): 987271584

約数和(自身を除く): 736138464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12457, 20160, 24914, 37371, 49828, 62285, 74742, 87199, 99656, 112113, 124570, 149484, 174398, 186855, 199312, 224226, 249140, 261597, 298968, 348796, 373710, 398624, 435995, 448452, 498280, 523194, 560565, 597936, 697592, 747420, 784791, 797248, 871990, 896904, 996560, 1046388, 1121130, 1195872, 1307985, 1395184, 1494840, 1569582, 1743980, 1793808, 1993120, 2092776, 2242260, 2391744, 2615970, 2790368, 2989680, 3139164, 3487960, 3587616, 3923955, 3986240, 4185552, 4484520, 5231940, 5580736, 5979360, 6278328, 6975920, 7175232, 7847910, 8371104, 8969040, 10463880, 11958720, 12556656, 13951840, 15695820, 16742208, 17938080, 20927760, 25113312, 27903680, 31391640, 35876160, 41855520, 50226624, 62783280, 83711040, 125566560, 251133120]

約数ペア:

[(1, 251133120), (2, 125566560), (3, 83711040), (4, 62783280), (5, 50226624), (6, 41855520), (7, 35876160), (8, 31391640), (9, 27903680), (10, 25113312), (12, 20927760), (14, 17938080), (15, 16742208), (16, 15695820), (18, 13951840), (20, 12556656), (21, 11958720), (24, 10463880), (28, 8969040), (30, 8371104), (32, 7847910), (35, 7175232), (36, 6975920), (40, 6278328), (42, 5979360), (45, 5580736), (48, 5231940), (56, 4484520), (60, 4185552), (63, 3986240), (64, 3923955), (70, 3587616), (72, 3487960), (80, 3139164), (84, 2989680), (90, 2790368), (96, 2615970), (105, 2391744), (112, 2242260), (120, 2092776), (126, 1993120), (140, 1793808), (144, 1743980), (160, 1569582), (168, 1494840), (180, 1395184), (192, 1307985), (210, 1195872), (224, 1121130), (240, 1046388), (252, 996560), (280, 896904), (288, 871990), (315, 797248), (320, 784791), (336, 747420), (360, 697592), (420, 597936), (448, 560565), (480, 523194), (504, 498280), (560, 448452), (576, 435995), (630, 398624), (672, 373710), (720, 348796), (840, 298968), (960, 261597), (1008, 249140), (1120, 224226), (1260, 199312), (1344, 186855), (1440, 174398), (1680, 149484), (2016, 124570), (2240, 112113), (2520, 99656), (2880, 87199), (3360, 74742), (4032, 62285), (5040, 49828), (6720, 37371), (10080, 24914), (12457, 20160)]