205355520

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{2971}}^1$

素因数の和:3003

約数の個数: 160

約数和(自身を含む): 729685440

約数和(自身を除く): 524329920

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, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 2971, 3456, 3840, 4320, 4608, 5760, 5942, 6912, 7680, 8640, 8913, 11520, 11884, 13824, 14855, 17280, 17826, 23040, 23768, 26739, 29710, 34560, 35652, 44565, 47536, 53478, 59420, 69120, 71304, 80217, 89130, 95072, 106956, 118840, 133695, 142608, 160434, 178260, 190144, 213912, 237680, 267390, 285216, 320868, 356520, 380288, 401085, 427824, 475360, 534780, 570432, 641736, 713040, 760576, 802170, 855648, 950720, 1069560, 1140864, 1283472, 1426080, 1521152, 1604340, 1711296, 1901440, 2139120, 2281728, 2566944, 2852160, 3208680, 3422592, 3802880, 4278240, 4563456, 5133888, 5704320, 6417360, 6845184, 7605760, 8556480, 10267776, 11408640, 12834720, 13690368, 17112960, 20535552, 22817280, 25669440, 34225920, 41071104, 51338880, 68451840, 102677760, 205355520]

約数ペア:

[(1, 205355520), (2, 102677760), (3, 68451840), (4, 51338880), (5, 41071104), (6, 34225920), (8, 25669440), (9, 22817280), (10, 20535552), (12, 17112960), (15, 13690368), (16, 12834720), (18, 11408640), (20, 10267776), (24, 8556480), (27, 7605760), (30, 6845184), (32, 6417360), (36, 5704320), (40, 5133888), (45, 4563456), (48, 4278240), (54, 3802880), (60, 3422592), (64, 3208680), (72, 2852160), (80, 2566944), (90, 2281728), (96, 2139120), (108, 1901440), (120, 1711296), (128, 1604340), (135, 1521152), (144, 1426080), (160, 1283472), (180, 1140864), (192, 1069560), (216, 950720), (240, 855648), (256, 802170), (270, 760576), (288, 713040), (320, 641736), (360, 570432), (384, 534780), (432, 475360), (480, 427824), (512, 401085), (540, 380288), (576, 356520), (640, 320868), (720, 285216), (768, 267390), (864, 237680), (960, 213912), (1080, 190144), (1152, 178260), (1280, 160434), (1440, 142608), (1536, 133695), (1728, 118840), (1920, 106956), (2160, 95072), (2304, 89130), (2560, 80217), (2880, 71304), (2971, 69120), (3456, 59420), (3840, 53478), (4320, 47536), (4608, 44565), (5760, 35652), (5942, 34560), (6912, 29710), (7680, 26739), (8640, 23768), (8913, 23040), (11520, 17826), (11884, 17280), (13824, 14855)]