80755400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 213736320

約数和(自身を除く): 132980920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 71, 88, 94, 100, 110, 121, 142, 188, 200, 220, 235, 242, 275, 284, 355, 376, 440, 470, 484, 517, 550, 568, 605, 710, 781, 940, 968, 1034, 1100, 1175, 1210, 1420, 1562, 1775, 1880, 2068, 2200, 2350, 2420, 2585, 2840, 3025, 3124, 3337, 3550, 3905, 4136, 4700, 4840, 5170, 5687, 6050, 6248, 6674, 7100, 7810, 8591, 9400, 10340, 11374, 12100, 12925, 13348, 14200, 15620, 16685, 17182, 19525, 20680, 22748, 24200, 25850, 26696, 28435, 31240, 33370, 34364, 36707, 39050, 42955, 45496, 51700, 56870, 66740, 68728, 73414, 78100, 83425, 85910, 103400, 113740, 133480, 142175, 146828, 156200, 166850, 171820, 183535, 214775, 227480, 284350, 293656, 333700, 343640, 367070, 403777, 429550, 568700, 667400, 734140, 807554, 859100, 917675, 1137400, 1468280, 1615108, 1718200, 1835350, 2018885, 3230216, 3670700, 4037770, 7341400, 8075540, 10094425, 16151080, 20188850, 40377700, 80755400]

約数ペア:

[(1, 80755400), (2, 40377700), (4, 20188850), (5, 16151080), (8, 10094425), (10, 8075540), (11, 7341400), (20, 4037770), (22, 3670700), (25, 3230216), (40, 2018885), (44, 1835350), (47, 1718200), (50, 1615108), (55, 1468280), (71, 1137400), (88, 917675), (94, 859100), (100, 807554), (110, 734140), (121, 667400), (142, 568700), (188, 429550), (200, 403777), (220, 367070), (235, 343640), (242, 333700), (275, 293656), (284, 284350), (355, 227480), (376, 214775), (440, 183535), (470, 171820), (484, 166850), (517, 156200), (550, 146828), (568, 142175), (605, 133480), (710, 113740), (781, 103400), (940, 85910), (968, 83425), (1034, 78100), (1100, 73414), (1175, 68728), (1210, 66740), (1420, 56870), (1562, 51700), (1775, 45496), (1880, 42955), (2068, 39050), (2200, 36707), (2350, 34364), (2420, 33370), (2585, 31240), (2840, 28435), (3025, 26696), (3124, 25850), (3337, 24200), (3550, 22748), (3905, 20680), (4136, 19525), (4700, 17182), (4840, 16685), (5170, 15620), (5687, 14200), (6050, 13348), (6248, 12925), (6674, 12100), (7100, 11374), (7810, 10340), (8591, 9400)]