388608480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20759}}^1$

素因数の和:20793

約数の個数: 144

約数和(自身を含む): 1428204960

約数和(自身を除く): 1039596480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 20759, 41518, 62277, 83036, 103795, 124554, 166072, 186831, 207590, 249108, 269867, 311385, 332144, 373662, 415180, 498216, 539734, 622770, 664288, 747324, 809601, 830360, 934155, 996432, 1079468, 1245540, 1349335, 1494648, 1619202, 1660720, 1868310, 1992864, 2158936, 2428803, 2491080, 2698670, 2989296, 3238404, 3321440, 3736620, 4048005, 4317872, 4857606, 4982160, 5397340, 5978592, 6476808, 7473240, 8096010, 8635744, 9715212, 9964320, 10794680, 12144015, 12953616, 14946480, 16192020, 19430424, 21589360, 24288030, 25907232, 29892960, 32384040, 38860848, 43178720, 48576060, 64768080, 77721696, 97152120, 129536160, 194304240, 388608480]

約数ペア:

[(1, 388608480), (2, 194304240), (3, 129536160), (4, 97152120), (5, 77721696), (6, 64768080), (8, 48576060), (9, 43178720), (10, 38860848), (12, 32384040), (13, 29892960), (15, 25907232), (16, 24288030), (18, 21589360), (20, 19430424), (24, 16192020), (26, 14946480), (30, 12953616), (32, 12144015), (36, 10794680), (39, 9964320), (40, 9715212), (45, 8635744), (48, 8096010), (52, 7473240), (60, 6476808), (65, 5978592), (72, 5397340), (78, 4982160), (80, 4857606), (90, 4317872), (96, 4048005), (104, 3736620), (117, 3321440), (120, 3238404), (130, 2989296), (144, 2698670), (156, 2491080), (160, 2428803), (180, 2158936), (195, 1992864), (208, 1868310), (234, 1660720), (240, 1619202), (260, 1494648), (288, 1349335), (312, 1245540), (360, 1079468), (390, 996432), (416, 934155), (468, 830360), (480, 809601), (520, 747324), (585, 664288), (624, 622770), (720, 539734), (780, 498216), (936, 415180), (1040, 373662), (1170, 332144), (1248, 311385), (1440, 269867), (1560, 249108), (1872, 207590), (2080, 186831), (2340, 166072), (3120, 124554), (3744, 103795), (4680, 83036), (6240, 62277), (9360, 41518), (18720, 20759)]