255227520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:762

約数の個数: 128

約数和(自身を含む): 818072640

約数和(自身を除く): 562845120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 307, 320, 384, 433, 480, 614, 640, 866, 921, 960, 1228, 1299, 1535, 1732, 1842, 1920, 2165, 2456, 2598, 3070, 3464, 3684, 4330, 4605, 4912, 5196, 6140, 6495, 6928, 7368, 8660, 9210, 9824, 10392, 12280, 12990, 13856, 14736, 17320, 18420, 19648, 20784, 24560, 25980, 27712, 29472, 34640, 36840, 39296, 41568, 49120, 51960, 55424, 58944, 69280, 73680, 83136, 98240, 103920, 117888, 132931, 138560, 147360, 166272, 196480, 207840, 265862, 277120, 294720, 398793, 415680, 531724, 589440, 664655, 797586, 831360, 1063448, 1329310, 1595172, 1993965, 2126896, 2658620, 3190344, 3987930, 4253792, 5317240, 6380688, 7975860, 8507584, 10634480, 12761376, 15951720, 17015168, 21268960, 25522752, 31903440, 42537920, 51045504, 63806880, 85075840, 127613760, 255227520]

約数ペア:

[(1, 255227520), (2, 127613760), (3, 85075840), (4, 63806880), (5, 51045504), (6, 42537920), (8, 31903440), (10, 25522752), (12, 21268960), (15, 17015168), (16, 15951720), (20, 12761376), (24, 10634480), (30, 8507584), (32, 7975860), (40, 6380688), (48, 5317240), (60, 4253792), (64, 3987930), (80, 3190344), (96, 2658620), (120, 2126896), (128, 1993965), (160, 1595172), (192, 1329310), (240, 1063448), (307, 831360), (320, 797586), (384, 664655), (433, 589440), (480, 531724), (614, 415680), (640, 398793), (866, 294720), (921, 277120), (960, 265862), (1228, 207840), (1299, 196480), (1535, 166272), (1732, 147360), (1842, 138560), (1920, 132931), (2165, 117888), (2456, 103920), (2598, 98240), (3070, 83136), (3464, 73680), (3684, 69280), (4330, 58944), (4605, 55424), (4912, 51960), (5196, 49120), (6140, 41568), (6495, 39296), (6928, 36840), (7368, 34640), (8660, 29472), (9210, 27712), (9824, 25980), (10392, 24560), (12280, 20784), (12990, 19648), (13856, 18420), (14736, 17320)]