51320160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 177021936

約数和(自身を除く): 125701776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 157, 160, 180, 227, 240, 288, 314, 360, 454, 471, 480, 628, 681, 720, 785, 908, 942, 1135, 1256, 1362, 1413, 1440, 1570, 1816, 1884, 2043, 2270, 2355, 2512, 2724, 2826, 3140, 3405, 3632, 3768, 4086, 4540, 4710, 5024, 5448, 5652, 6280, 6810, 7065, 7264, 7536, 8172, 9080, 9420, 10215, 10896, 11304, 12560, 13620, 14130, 15072, 16344, 18160, 18840, 20430, 21792, 22608, 25120, 27240, 28260, 32688, 35639, 36320, 37680, 40860, 45216, 54480, 56520, 65376, 71278, 75360, 81720, 106917, 108960, 113040, 142556, 163440, 178195, 213834, 226080, 285112, 320751, 326880, 356390, 427668, 534585, 570224, 641502, 712780, 855336, 1069170, 1140448, 1283004, 1425560, 1603755, 1710672, 2138340, 2566008, 2851120, 3207510, 3421344, 4276680, 5132016, 5702240, 6415020, 8553360, 10264032, 12830040, 17106720, 25660080, 51320160]

約数ペア:

[(1, 51320160), (2, 25660080), (3, 17106720), (4, 12830040), (5, 10264032), (6, 8553360), (8, 6415020), (9, 5702240), (10, 5132016), (12, 4276680), (15, 3421344), (16, 3207510), (18, 2851120), (20, 2566008), (24, 2138340), (30, 1710672), (32, 1603755), (36, 1425560), (40, 1283004), (45, 1140448), (48, 1069170), (60, 855336), (72, 712780), (80, 641502), (90, 570224), (96, 534585), (120, 427668), (144, 356390), (157, 326880), (160, 320751), (180, 285112), (227, 226080), (240, 213834), (288, 178195), (314, 163440), (360, 142556), (454, 113040), (471, 108960), (480, 106917), (628, 81720), (681, 75360), (720, 71278), (785, 65376), (908, 56520), (942, 54480), (1135, 45216), (1256, 40860), (1362, 37680), (1413, 36320), (1440, 35639), (1570, 32688), (1816, 28260), (1884, 27240), (2043, 25120), (2270, 22608), (2355, 21792), (2512, 20430), (2724, 18840), (2826, 18160), (3140, 16344), (3405, 15072), (3632, 14130), (3768, 13620), (4086, 12560), (4540, 11304), (4710, 10896), (5024, 10215), (5448, 9420), (5652, 9080), (6280, 8172), (6810, 7536), (7065, 7264)]