257604048

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 240

約数和(自身を含む): 840612864

約数和(自身を除く): 583008816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 31, 36, 39, 46, 48, 52, 62, 69, 72, 78, 92, 93, 104, 117, 124, 138, 144, 156, 184, 186, 193, 207, 208, 234, 248, 276, 279, 299, 312, 368, 372, 386, 403, 414, 468, 496, 552, 558, 579, 598, 624, 713, 744, 772, 806, 828, 897, 936, 1104, 1116, 1158, 1196, 1209, 1426, 1488, 1544, 1612, 1656, 1737, 1794, 1872, 2139, 2232, 2316, 2392, 2418, 2509, 2691, 2852, 3088, 3224, 3312, 3474, 3588, 3627, 4278, 4439, 4464, 4632, 4784, 4836, 5018, 5382, 5704, 5983, 6417, 6448, 6948, 7176, 7254, 7527, 8556, 8878, 9264, 9269, 9672, 10036, 10764, 11408, 11966, 12834, 13317, 13896, 14352, 14508, 15054, 17112, 17756, 17949, 18538, 19344, 20072, 21528, 22581, 23932, 25668, 26634, 27792, 27807, 29016, 30108, 34224, 35512, 35898, 37076, 39951, 40144, 43056, 45162, 47864, 51336, 53268, 53847, 55614, 57707, 58032, 60216, 71024, 71796, 74152, 77779, 79902, 83421, 90324, 95728, 102672, 106536, 107694, 111228, 115414, 120432, 137609, 143592, 148304, 155558, 159804, 166842, 173121, 180648, 213072, 215388, 222456, 230828, 233337, 275218, 287184, 311116, 319608, 333684, 346242, 361296, 412827, 430776, 444912, 461656, 466674, 519363, 550436, 622232, 639216, 667368, 692484, 700011, 825654, 861552, 923312, 933348, 1038726, 1100872, 1238481, 1244464, 1334736, 1384968, 1400022, 1651308, 1788917, 1866696, 2077452, 2201744, 2476962, 2769936, 2800044, 3302616, 3577834, 3733392, 4154904, 4953924, 5366751, 5600088, 6605232, 7155668, 8309808, 9907848, 10733502, 11200176, 14311336, 16100253, 19815696, 21467004, 28622672, 32200506, 42934008, 64401012, 85868016, 128802024, 257604048]

約数ペア:

[(1, 257604048), (2, 128802024), (3, 85868016), (4, 64401012), (6, 42934008), (8, 32200506), (9, 28622672), (12, 21467004), (13, 19815696), (16, 16100253), (18, 14311336), (23, 11200176), (24, 10733502), (26, 9907848), (31, 8309808), (36, 7155668), (39, 6605232), (46, 5600088), (48, 5366751), (52, 4953924), (62, 4154904), (69, 3733392), (72, 3577834), (78, 3302616), (92, 2800044), (93, 2769936), (104, 2476962), (117, 2201744), (124, 2077452), (138, 1866696), (144, 1788917), (156, 1651308), (184, 1400022), (186, 1384968), (193, 1334736), (207, 1244464), (208, 1238481), (234, 1100872), (248, 1038726), (276, 933348), (279, 923312), (299, 861552), (312, 825654), (368, 700011), (372, 692484), (386, 667368), (403, 639216), (414, 622232), (468, 550436), (496, 519363), (552, 466674), (558, 461656), (579, 444912), (598, 430776), (624, 412827), (713, 361296), (744, 346242), (772, 333684), (806, 319608), (828, 311116), (897, 287184), (936, 275218), (1104, 233337), (1116, 230828), (1158, 222456), (1196, 215388), (1209, 213072), (1426, 180648), (1488, 173121), (1544, 166842), (1612, 159804), (1656, 155558), (1737, 148304), (1794, 143592), (1872, 137609), (2139, 120432), (2232, 115414), (2316, 111228), (2392, 107694), (2418, 106536), (2509, 102672), (2691, 95728), (2852, 90324), (3088, 83421), (3224, 79902), (3312, 77779), (3474, 74152), (3588, 71796), (3627, 71024), (4278, 60216), (4439, 58032), (4464, 57707), (4632, 55614), (4784, 53847), (4836, 53268), (5018, 51336), (5382, 47864), (5704, 45162), (5983, 43056), (6417, 40144), (6448, 39951), (6948, 37076), (7176, 35898), (7254, 35512), (7527, 34224), (8556, 30108), (8878, 29016), (9264, 27807), (9269, 27792), (9672, 26634), (10036, 25668), (10764, 23932), (11408, 22581), (11966, 21528), (12834, 20072), (13317, 19344), (13896, 18538), (14352, 17949), (14508, 17756), (15054, 17112)]