28408320

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{137}}^1$

素因数の和:172

約数の個数: 200

約数和(自身を含む): 102492324

約数和(自身を除く): 74084004

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, 81, 90, 96, 108, 120, 128, 135, 137, 144, 160, 162, 180, 192, 216, 240, 256, 270, 274, 288, 320, 324, 360, 384, 405, 411, 432, 480, 512, 540, 548, 576, 640, 648, 685, 720, 768, 810, 822, 864, 960, 1080, 1096, 1152, 1233, 1280, 1296, 1370, 1440, 1536, 1620, 1644, 1728, 1920, 2055, 2160, 2192, 2304, 2466, 2560, 2592, 2740, 2880, 3240, 3288, 3456, 3699, 3840, 4110, 4320, 4384, 4608, 4932, 5184, 5480, 5760, 6165, 6480, 6576, 6912, 7398, 7680, 8220, 8640, 8768, 9864, 10368, 10960, 11097, 11520, 12330, 12960, 13152, 13824, 14796, 16440, 17280, 17536, 18495, 19728, 20736, 21920, 22194, 23040, 24660, 25920, 26304, 29592, 32880, 34560, 35072, 36990, 39456, 41472, 43840, 44388, 49320, 51840, 52608, 55485, 59184, 65760, 69120, 70144, 73980, 78912, 87680, 88776, 98640, 103680, 105216, 110970, 118368, 131520, 147960, 157824, 175360, 177552, 197280, 207360, 210432, 221940, 236736, 263040, 295920, 315648, 350720, 355104, 394560, 443880, 473472, 526080, 591840, 631296, 710208, 789120, 887760, 946944, 1052160, 1183680, 1420416, 1578240, 1775520, 1893888, 2367360, 2840832, 3156480, 3551040, 4734720, 5681664, 7102080, 9469440, 14204160, 28408320]

約数ペア:

[(1, 28408320), (2, 14204160), (3, 9469440), (4, 7102080), (5, 5681664), (6, 4734720), (8, 3551040), (9, 3156480), (10, 2840832), (12, 2367360), (15, 1893888), (16, 1775520), (18, 1578240), (20, 1420416), (24, 1183680), (27, 1052160), (30, 946944), (32, 887760), (36, 789120), (40, 710208), (45, 631296), (48, 591840), (54, 526080), (60, 473472), (64, 443880), (72, 394560), (80, 355104), (81, 350720), (90, 315648), (96, 295920), (108, 263040), (120, 236736), (128, 221940), (135, 210432), (137, 207360), (144, 197280), (160, 177552), (162, 175360), (180, 157824), (192, 147960), (216, 131520), (240, 118368), (256, 110970), (270, 105216), (274, 103680), (288, 98640), (320, 88776), (324, 87680), (360, 78912), (384, 73980), (405, 70144), (411, 69120), (432, 65760), (480, 59184), (512, 55485), (540, 52608), (548, 51840), (576, 49320), (640, 44388), (648, 43840), (685, 41472), (720, 39456), (768, 36990), (810, 35072), (822, 34560), (864, 32880), (960, 29592), (1080, 26304), (1096, 25920), (1152, 24660), (1233, 23040), (1280, 22194), (1296, 21920), (1370, 20736), (1440, 19728), (1536, 18495), (1620, 17536), (1644, 17280), (1728, 16440), (1920, 14796), (2055, 13824), (2160, 13152), (2192, 12960), (2304, 12330), (2466, 11520), (2560, 11097), (2592, 10960), (2740, 10368), (2880, 9864), (3240, 8768), (3288, 8640), (3456, 8220), (3699, 7680), (3840, 7398), (4110, 6912), (4320, 6576), (4384, 6480), (4608, 6165), (4932, 5760), (5184, 5480)]