261664992

素因数分解:

$2^5\times 3^4\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 120

約数和(自身を含む): 775655496

約数和(自身を除く): 513990504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 157, 162, 216, 288, 314, 324, 432, 471, 628, 643, 648, 864, 942, 1256, 1286, 1296, 1413, 1884, 1929, 2512, 2572, 2592, 2826, 3768, 3858, 4239, 5024, 5144, 5652, 5787, 7536, 7716, 8478, 10288, 11304, 11574, 12717, 15072, 15432, 16956, 17361, 20576, 22608, 23148, 25434, 30864, 33912, 34722, 45216, 46296, 50868, 52083, 61728, 67824, 69444, 92592, 100951, 101736, 104166, 135648, 138888, 185184, 201902, 203472, 208332, 277776, 302853, 403804, 406944, 416664, 555552, 605706, 807608, 833328, 908559, 1211412, 1615216, 1666656, 1817118, 2422824, 2725677, 3230432, 3634236, 4845648, 5451354, 7268472, 8177031, 9691296, 10902708, 14536944, 16354062, 21805416, 29073888, 32708124, 43610832, 65416248, 87221664, 130832496, 261664992]

約数ペア:

[(1, 261664992), (2, 130832496), (3, 87221664), (4, 65416248), (6, 43610832), (8, 32708124), (9, 29073888), (12, 21805416), (16, 16354062), (18, 14536944), (24, 10902708), (27, 9691296), (32, 8177031), (36, 7268472), (48, 5451354), (54, 4845648), (72, 3634236), (81, 3230432), (96, 2725677), (108, 2422824), (144, 1817118), (157, 1666656), (162, 1615216), (216, 1211412), (288, 908559), (314, 833328), (324, 807608), (432, 605706), (471, 555552), (628, 416664), (643, 406944), (648, 403804), (864, 302853), (942, 277776), (1256, 208332), (1286, 203472), (1296, 201902), (1413, 185184), (1884, 138888), (1929, 135648), (2512, 104166), (2572, 101736), (2592, 100951), (2826, 92592), (3768, 69444), (3858, 67824), (4239, 61728), (5024, 52083), (5144, 50868), (5652, 46296), (5787, 45216), (7536, 34722), (7716, 33912), (8478, 30864), (10288, 25434), (11304, 23148), (11574, 22608), (12717, 20576), (15072, 17361), (15432, 16956)]