1648421880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20231}}^1$

素因数の和:20349

約数の個数: 128

約数和(自身を含む): 5710279680

約数和(自身を除く): 4061857800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 5432, 5820, 6790, 8148, 10185, 11640, 13580, 16296, 20231, 20370, 27160, 40462, 40740, 60693, 80924, 81480, 101155, 121386, 141617, 161848, 202310, 242772, 283234, 303465, 404620, 424851, 485544, 566468, 606930, 708085, 809240, 849702, 1132936, 1213860, 1416170, 1699404, 1962407, 2124255, 2427720, 2832340, 3398808, 3924814, 4248510, 5664680, 5887221, 7849628, 8497020, 9812035, 11774442, 13736849, 15699256, 16994040, 19624070, 23548884, 27473698, 29436105, 39248140, 41210547, 47097768, 54947396, 58872210, 68684245, 78496280, 82421094, 109894792, 117744420, 137368490, 164842188, 206052735, 235488840, 274736980, 329684376, 412105470, 549473960, 824210940, 1648421880]

約数ペア:

[(1, 1648421880), (2, 824210940), (3, 549473960), (4, 412105470), (5, 329684376), (6, 274736980), (7, 235488840), (8, 206052735), (10, 164842188), (12, 137368490), (14, 117744420), (15, 109894792), (20, 82421094), (21, 78496280), (24, 68684245), (28, 58872210), (30, 54947396), (35, 47097768), (40, 41210547), (42, 39248140), (56, 29436105), (60, 27473698), (70, 23548884), (84, 19624070), (97, 16994040), (105, 15699256), (120, 13736849), (140, 11774442), (168, 9812035), (194, 8497020), (210, 7849628), (280, 5887221), (291, 5664680), (388, 4248510), (420, 3924814), (485, 3398808), (582, 2832340), (679, 2427720), (776, 2124255), (840, 1962407), (970, 1699404), (1164, 1416170), (1358, 1213860), (1455, 1132936), (1940, 849702), (2037, 809240), (2328, 708085), (2716, 606930), (2910, 566468), (3395, 485544), (3880, 424851), (4074, 404620), (5432, 303465), (5820, 283234), (6790, 242772), (8148, 202310), (10185, 161848), (11640, 141617), (13580, 121386), (16296, 101155), (20231, 81480), (20370, 80924), (27160, 60693), (40462, 40740)]