789995520

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2180

約数の個数: 168

約数和(自身を含む): 2739761856

約数和(自身を除く): 1949766336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2143, 2304, 2560, 2880, 3072, 3840, 4096, 4286, 4608, 5120, 5760, 6144, 6429, 7680, 8192, 8572, 9216, 10240, 10715, 11520, 12288, 12858, 15360, 17144, 18432, 19287, 20480, 21430, 23040, 24576, 25716, 30720, 32145, 34288, 36864, 38574, 40960, 42860, 46080, 51432, 61440, 64290, 68576, 73728, 77148, 85720, 92160, 96435, 102864, 122880, 128580, 137152, 154296, 171440, 184320, 192870, 205728, 257160, 274304, 308592, 342880, 368640, 385740, 411456, 514320, 548608, 617184, 685760, 771480, 822912, 1028640, 1097216, 1234368, 1371520, 1542960, 1645824, 2057280, 2194432, 2468736, 2743040, 3085920, 3291648, 4114560, 4388864, 4937472, 5486080, 6171840, 6583296, 8229120, 8777728, 9874944, 10972160, 12343680, 13166592, 16458240, 17555456, 19749888, 21944320, 24687360, 26333184, 32916480, 39499776, 43888640, 49374720, 52666368, 65832960, 78999552, 87777280, 98749440, 131665920, 157999104, 197498880, 263331840, 394997760, 789995520]

約数ペア:

[(1, 789995520), (2, 394997760), (3, 263331840), (4, 197498880), (5, 157999104), (6, 131665920), (8, 98749440), (9, 87777280), (10, 78999552), (12, 65832960), (15, 52666368), (16, 49374720), (18, 43888640), (20, 39499776), (24, 32916480), (30, 26333184), (32, 24687360), (36, 21944320), (40, 19749888), (45, 17555456), (48, 16458240), (60, 13166592), (64, 12343680), (72, 10972160), (80, 9874944), (90, 8777728), (96, 8229120), (120, 6583296), (128, 6171840), (144, 5486080), (160, 4937472), (180, 4388864), (192, 4114560), (240, 3291648), (256, 3085920), (288, 2743040), (320, 2468736), (360, 2194432), (384, 2057280), (480, 1645824), (512, 1542960), (576, 1371520), (640, 1234368), (720, 1097216), (768, 1028640), (960, 822912), (1024, 771480), (1152, 685760), (1280, 617184), (1440, 548608), (1536, 514320), (1920, 411456), (2048, 385740), (2143, 368640), (2304, 342880), (2560, 308592), (2880, 274304), (3072, 257160), (3840, 205728), (4096, 192870), (4286, 184320), (4608, 171440), (5120, 154296), (5760, 137152), (6144, 128580), (6429, 122880), (7680, 102864), (8192, 96435), (8572, 92160), (9216, 85720), (10240, 77148), (10715, 73728), (11520, 68576), (12288, 64290), (12858, 61440), (15360, 51432), (17144, 46080), (18432, 42860), (19287, 40960), (20480, 38574), (21430, 36864), (23040, 34288), (24576, 32145), (25716, 30720)]