127644880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2084

約数の個数: 80

約数和(自身を含む): 328353984

約数和(自身を除く): 200709104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 1168, 1460, 1606, 1987, 2920, 3212, 3974, 4015, 5840, 6424, 7948, 8030, 9935, 12848, 15896, 16060, 19870, 21857, 31792, 32120, 39740, 43714, 64240, 79480, 87428, 109285, 145051, 158960, 174856, 218570, 290102, 349712, 437140, 580204, 725255, 874280, 1160408, 1450510, 1595561, 1748560, 2320816, 2901020, 3191122, 5802040, 6382244, 7977805, 11604080, 12764488, 15955610, 25528976, 31911220, 63822440, 127644880]

約数ペア:

[(1, 127644880), (2, 63822440), (4, 31911220), (5, 25528976), (8, 15955610), (10, 12764488), (11, 11604080), (16, 7977805), (20, 6382244), (22, 5802040), (40, 3191122), (44, 2901020), (55, 2320816), (73, 1748560), (80, 1595561), (88, 1450510), (110, 1160408), (146, 874280), (176, 725255), (220, 580204), (292, 437140), (365, 349712), (440, 290102), (584, 218570), (730, 174856), (803, 158960), (880, 145051), (1168, 109285), (1460, 87428), (1606, 79480), (1987, 64240), (2920, 43714), (3212, 39740), (3974, 32120), (4015, 31792), (5840, 21857), (6424, 19870), (7948, 16060), (8030, 15896), (9935, 12848)]