129208640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 350251776

約数和(自身を除く): 221043136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 71, 80, 88, 94, 110, 121, 142, 160, 176, 188, 220, 235, 242, 284, 320, 352, 355, 376, 440, 470, 484, 517, 568, 605, 704, 710, 752, 781, 880, 940, 968, 1034, 1136, 1210, 1420, 1504, 1562, 1760, 1880, 1936, 2068, 2272, 2420, 2585, 2840, 3008, 3124, 3337, 3520, 3760, 3872, 3905, 4136, 4544, 4840, 5170, 5680, 5687, 6248, 6674, 7520, 7744, 7810, 8272, 8591, 9680, 10340, 11360, 11374, 12496, 13348, 15040, 15620, 16544, 16685, 17182, 19360, 20680, 22720, 22748, 24992, 26696, 28435, 31240, 33088, 33370, 34364, 36707, 38720, 41360, 42955, 45496, 49984, 53392, 56870, 62480, 66740, 68728, 73414, 82720, 85910, 90992, 106784, 113740, 124960, 133480, 137456, 146828, 165440, 171820, 181984, 183535, 213568, 227480, 249920, 266960, 274912, 293656, 343640, 363968, 367070, 403777, 454960, 533920, 549824, 587312, 687280, 734140, 807554, 909920, 1067840, 1174624, 1374560, 1468280, 1615108, 1819840, 2018885, 2349248, 2749120, 2936560, 3230216, 4037770, 5873120, 6460432, 8075540, 11746240, 12920864, 16151080, 25841728, 32302160, 64604320, 129208640]

約数ペア:

[(1, 129208640), (2, 64604320), (4, 32302160), (5, 25841728), (8, 16151080), (10, 12920864), (11, 11746240), (16, 8075540), (20, 6460432), (22, 5873120), (32, 4037770), (40, 3230216), (44, 2936560), (47, 2749120), (55, 2349248), (64, 2018885), (71, 1819840), (80, 1615108), (88, 1468280), (94, 1374560), (110, 1174624), (121, 1067840), (142, 909920), (160, 807554), (176, 734140), (188, 687280), (220, 587312), (235, 549824), (242, 533920), (284, 454960), (320, 403777), (352, 367070), (355, 363968), (376, 343640), (440, 293656), (470, 274912), (484, 266960), (517, 249920), (568, 227480), (605, 213568), (704, 183535), (710, 181984), (752, 171820), (781, 165440), (880, 146828), (940, 137456), (968, 133480), (1034, 124960), (1136, 113740), (1210, 106784), (1420, 90992), (1504, 85910), (1562, 82720), (1760, 73414), (1880, 68728), (1936, 66740), (2068, 62480), (2272, 56870), (2420, 53392), (2585, 49984), (2840, 45496), (3008, 42955), (3124, 41360), (3337, 38720), (3520, 36707), (3760, 34364), (3872, 33370), (3905, 33088), (4136, 31240), (4544, 28435), (4840, 26696), (5170, 24992), (5680, 22748), (5687, 22720), (6248, 20680), (6674, 19360), (7520, 17182), (7744, 16685), (7810, 16544), (8272, 15620), (8591, 15040), (9680, 13348), (10340, 12496), (11360, 11374)]