64604320

素因数分解:

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

素因数の和:155

約数の個数: 144

約数和(自身を含む): 173746944

約数和(自身を除く): 109142624

約数列:

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

約数ペア:

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