18515520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2169

約数の個数: 112

約数和(自身を含む): 65349120

約数和(自身を除く): 46833600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2143, 2160, 2880, 4286, 4320, 6429, 8572, 8640, 10715, 12858, 17144, 19287, 21430, 25716, 32145, 34288, 38574, 42860, 51432, 57861, 64290, 68576, 77148, 85720, 96435, 102864, 115722, 128580, 137152, 154296, 171440, 192870, 205728, 231444, 257160, 289305, 308592, 342880, 385740, 411456, 462888, 514320, 578610, 617184, 685760, 771480, 925776, 1028640, 1157220, 1234368, 1542960, 1851552, 2057280, 2314440, 3085920, 3703104, 4628880, 6171840, 9257760, 18515520]

約数ペア:

[(1, 18515520), (2, 9257760), (3, 6171840), (4, 4628880), (5, 3703104), (6, 3085920), (8, 2314440), (9, 2057280), (10, 1851552), (12, 1542960), (15, 1234368), (16, 1157220), (18, 1028640), (20, 925776), (24, 771480), (27, 685760), (30, 617184), (32, 578610), (36, 514320), (40, 462888), (45, 411456), (48, 385740), (54, 342880), (60, 308592), (64, 289305), (72, 257160), (80, 231444), (90, 205728), (96, 192870), (108, 171440), (120, 154296), (135, 137152), (144, 128580), (160, 115722), (180, 102864), (192, 96435), (216, 85720), (240, 77148), (270, 68576), (288, 64290), (320, 57861), (360, 51432), (432, 42860), (480, 38574), (540, 34288), (576, 32145), (720, 25716), (864, 21430), (960, 19287), (1080, 17144), (1440, 12858), (1728, 10715), (2143, 8640), (2160, 8572), (2880, 6429), (4286, 4320)]