256658760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2348

約数の個数: 128

約数和(自身を含む): 863913600

約数和(自身を除く): 607254840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 107, 108, 120, 135, 180, 214, 216, 270, 321, 360, 428, 535, 540, 642, 856, 963, 1070, 1080, 1284, 1605, 1926, 2140, 2221, 2568, 2889, 3210, 3852, 4280, 4442, 4815, 5778, 6420, 6663, 7704, 8884, 9630, 11105, 11556, 12840, 13326, 14445, 17768, 19260, 19989, 22210, 23112, 26652, 28890, 33315, 38520, 39978, 44420, 53304, 57780, 59967, 66630, 79956, 88840, 99945, 115560, 119934, 133260, 159912, 199890, 237647, 239868, 266520, 299835, 399780, 475294, 479736, 599670, 712941, 799560, 950588, 1188235, 1199340, 1425882, 1901176, 2138823, 2376470, 2398680, 2851764, 3564705, 4277646, 4752940, 5703528, 6416469, 7129410, 8555292, 9505880, 10694115, 12832938, 14258820, 17110584, 21388230, 25665876, 28517640, 32082345, 42776460, 51331752, 64164690, 85552920, 128329380, 256658760]

約数ペア:

[(1, 256658760), (2, 128329380), (3, 85552920), (4, 64164690), (5, 51331752), (6, 42776460), (8, 32082345), (9, 28517640), (10, 25665876), (12, 21388230), (15, 17110584), (18, 14258820), (20, 12832938), (24, 10694115), (27, 9505880), (30, 8555292), (36, 7129410), (40, 6416469), (45, 5703528), (54, 4752940), (60, 4277646), (72, 3564705), (90, 2851764), (107, 2398680), (108, 2376470), (120, 2138823), (135, 1901176), (180, 1425882), (214, 1199340), (216, 1188235), (270, 950588), (321, 799560), (360, 712941), (428, 599670), (535, 479736), (540, 475294), (642, 399780), (856, 299835), (963, 266520), (1070, 239868), (1080, 237647), (1284, 199890), (1605, 159912), (1926, 133260), (2140, 119934), (2221, 115560), (2568, 99945), (2889, 88840), (3210, 79956), (3852, 66630), (4280, 59967), (4442, 57780), (4815, 53304), (5778, 44420), (6420, 39978), (6663, 38520), (7704, 33315), (8884, 28890), (9630, 26652), (11105, 23112), (11556, 22210), (12840, 19989), (13326, 19260), (14445, 17768)]