28242720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1783}}^1$

素因数の和:1815

約数の個数: 144

約数和(自身を含む): 105198912

約数和(自身を除く): 76956192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1783, 1980, 2640, 3168, 3566, 3960, 5280, 5349, 7132, 7920, 8915, 10698, 14264, 15840, 16047, 17830, 19613, 21396, 26745, 28528, 32094, 35660, 39226, 42792, 53490, 57056, 58839, 64188, 71320, 78452, 80235, 85584, 98065, 106980, 117678, 128376, 142640, 156904, 160470, 171168, 176517, 196130, 213960, 235356, 256752, 285280, 294195, 313808, 320940, 353034, 392260, 427920, 470712, 513504, 588390, 627616, 641880, 706068, 784520, 855840, 882585, 941424, 1176780, 1283760, 1412136, 1569040, 1765170, 1882848, 2353560, 2567520, 2824272, 3138080, 3530340, 4707120, 5648544, 7060680, 9414240, 14121360, 28242720]

約数ペア:

[(1, 28242720), (2, 14121360), (3, 9414240), (4, 7060680), (5, 5648544), (6, 4707120), (8, 3530340), (9, 3138080), (10, 2824272), (11, 2567520), (12, 2353560), (15, 1882848), (16, 1765170), (18, 1569040), (20, 1412136), (22, 1283760), (24, 1176780), (30, 941424), (32, 882585), (33, 855840), (36, 784520), (40, 706068), (44, 641880), (45, 627616), (48, 588390), (55, 513504), (60, 470712), (66, 427920), (72, 392260), (80, 353034), (88, 320940), (90, 313808), (96, 294195), (99, 285280), (110, 256752), (120, 235356), (132, 213960), (144, 196130), (160, 176517), (165, 171168), (176, 160470), (180, 156904), (198, 142640), (220, 128376), (240, 117678), (264, 106980), (288, 98065), (330, 85584), (352, 80235), (360, 78452), (396, 71320), (440, 64188), (480, 58839), (495, 57056), (528, 53490), (660, 42792), (720, 39226), (792, 35660), (880, 32094), (990, 28528), (1056, 26745), (1320, 21396), (1440, 19613), (1584, 17830), (1760, 16047), (1783, 15840), (1980, 14264), (2640, 10698), (3168, 8915), (3566, 7920), (3960, 7132), (5280, 5349)]