305999280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2883

約数の個数: 120

約数和(自身を含む): 1034575152

約数和(自身を除く): 728575872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 157, 180, 240, 314, 360, 471, 628, 720, 785, 942, 1256, 1413, 1570, 1884, 2355, 2512, 2707, 2826, 3140, 3768, 4710, 5414, 5652, 6280, 7065, 7536, 8121, 9420, 10828, 11304, 12560, 13535, 14130, 16242, 18840, 21656, 22608, 24363, 27070, 28260, 32484, 37680, 40605, 43312, 48726, 54140, 56520, 64968, 81210, 97452, 108280, 113040, 121815, 129936, 162420, 194904, 216560, 243630, 324840, 389808, 424999, 487260, 649680, 849998, 974520, 1274997, 1699996, 1949040, 2124995, 2549994, 3399992, 3824991, 4249990, 5099988, 6374985, 6799984, 7649982, 8499980, 10199976, 12749970, 15299964, 16999960, 19124955, 20399952, 25499940, 30599928, 33999920, 38249910, 50999880, 61199856, 76499820, 101999760, 152999640, 305999280]

約数ペア:

[(1, 305999280), (2, 152999640), (3, 101999760), (4, 76499820), (5, 61199856), (6, 50999880), (8, 38249910), (9, 33999920), (10, 30599928), (12, 25499940), (15, 20399952), (16, 19124955), (18, 16999960), (20, 15299964), (24, 12749970), (30, 10199976), (36, 8499980), (40, 7649982), (45, 6799984), (48, 6374985), (60, 5099988), (72, 4249990), (80, 3824991), (90, 3399992), (120, 2549994), (144, 2124995), (157, 1949040), (180, 1699996), (240, 1274997), (314, 974520), (360, 849998), (471, 649680), (628, 487260), (720, 424999), (785, 389808), (942, 324840), (1256, 243630), (1413, 216560), (1570, 194904), (1884, 162420), (2355, 129936), (2512, 121815), (2707, 113040), (2826, 108280), (3140, 97452), (3768, 81210), (4710, 64968), (5414, 56520), (5652, 54140), (6280, 48726), (7065, 43312), (7536, 40605), (8121, 37680), (9420, 32484), (10828, 28260), (11304, 27070), (12560, 24363), (13535, 22608), (14130, 21656), (16242, 18840)]