263734240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21407}}^1$

素因数の和:21440

約数の個数: 96

約数和(自身を含む): 776853504

約数和(自身を除く): 513119264

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 21407, 42814, 85628, 107035, 149849, 171256, 214070, 235477, 299698, 342512, 428140, 470954, 599396, 685024, 749245, 856280, 941908, 1177385, 1198792, 1498490, 1648339, 1712560, 1883816, 2354770, 2397584, 2996980, 3296678, 3425120, 3767632, 4709540, 4795168, 5993960, 6593356, 7535264, 8241695, 9419080, 11987920, 13186712, 16483390, 18838160, 23975840, 26373424, 32966780, 37676320, 52746848, 65933560, 131867120, 263734240]

約数ペア:

[(1, 263734240), (2, 131867120), (4, 65933560), (5, 52746848), (7, 37676320), (8, 32966780), (10, 26373424), (11, 23975840), (14, 18838160), (16, 16483390), (20, 13186712), (22, 11987920), (28, 9419080), (32, 8241695), (35, 7535264), (40, 6593356), (44, 5993960), (55, 4795168), (56, 4709540), (70, 3767632), (77, 3425120), (80, 3296678), (88, 2996980), (110, 2397584), (112, 2354770), (140, 1883816), (154, 1712560), (160, 1648339), (176, 1498490), (220, 1198792), (224, 1177385), (280, 941908), (308, 856280), (352, 749245), (385, 685024), (440, 599396), (560, 470954), (616, 428140), (770, 342512), (880, 299698), (1120, 235477), (1232, 214070), (1540, 171256), (1760, 149849), (2464, 107035), (3080, 85628), (6160, 42814), (12320, 21407)]