15228080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 41140224

約数和(自身を除く): 25912144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 383, 497, 560, 568, 710, 766, 994, 1136, 1420, 1532, 1915, 1988, 2485, 2681, 2840, 3064, 3830, 3976, 4970, 5362, 5680, 6128, 7660, 7952, 9940, 10724, 13405, 15320, 19880, 21448, 26810, 27193, 30640, 39760, 42896, 53620, 54386, 107240, 108772, 135965, 190351, 214480, 217544, 271930, 380702, 435088, 543860, 761404, 951755, 1087720, 1522808, 1903510, 2175440, 3045616, 3807020, 7614040, 15228080]

約数ペア:

[(1, 15228080), (2, 7614040), (4, 3807020), (5, 3045616), (7, 2175440), (8, 1903510), (10, 1522808), (14, 1087720), (16, 951755), (20, 761404), (28, 543860), (35, 435088), (40, 380702), (56, 271930), (70, 217544), (71, 214480), (80, 190351), (112, 135965), (140, 108772), (142, 107240), (280, 54386), (284, 53620), (355, 42896), (383, 39760), (497, 30640), (560, 27193), (568, 26810), (710, 21448), (766, 19880), (994, 15320), (1136, 13405), (1420, 10724), (1532, 9940), (1915, 7952), (1988, 7660), (2485, 6128), (2681, 5680), (2840, 5362), (3064, 4970), (3830, 3976)]