205102080

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{4451}}^1$

素因数の和:4482

約数の個数: 132

約数和(自身を含む): 710833032

約数和(自身を除く): 505730952

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, 2304, 2560, 2880, 3072, 3840, 4451, 4608, 5120, 5760, 7680, 8902, 9216, 11520, 13353, 15360, 17804, 22255, 23040, 26706, 35608, 40059, 44510, 46080, 53412, 66765, 71216, 80118, 89020, 106824, 133530, 142432, 160236, 178040, 200295, 213648, 267060, 284864, 320472, 356080, 400590, 427296, 534120, 569728, 640944, 712160, 801180, 854592, 1068240, 1139456, 1281888, 1424320, 1602360, 1709184, 2136480, 2278912, 2563776, 2848640, 3204720, 3418368, 4272960, 4557824, 5127552, 5697280, 6409440, 6836736, 8545920, 10255104, 11394560, 12818880, 13673472, 17091840, 20510208, 22789120, 25637760, 34183680, 41020416, 51275520, 68367360, 102551040, 205102080]

約数ペア:

[(1, 205102080), (2, 102551040), (3, 68367360), (4, 51275520), (5, 41020416), (6, 34183680), (8, 25637760), (9, 22789120), (10, 20510208), (12, 17091840), (15, 13673472), (16, 12818880), (18, 11394560), (20, 10255104), (24, 8545920), (30, 6836736), (32, 6409440), (36, 5697280), (40, 5127552), (45, 4557824), (48, 4272960), (60, 3418368), (64, 3204720), (72, 2848640), (80, 2563776), (90, 2278912), (96, 2136480), (120, 1709184), (128, 1602360), (144, 1424320), (160, 1281888), (180, 1139456), (192, 1068240), (240, 854592), (256, 801180), (288, 712160), (320, 640944), (360, 569728), (384, 534120), (480, 427296), (512, 400590), (576, 356080), (640, 320472), (720, 284864), (768, 267060), (960, 213648), (1024, 200295), (1152, 178040), (1280, 160236), (1440, 142432), (1536, 133530), (1920, 106824), (2304, 89020), (2560, 80118), (2880, 71216), (3072, 66765), (3840, 53412), (4451, 46080), (4608, 44510), (5120, 40059), (5760, 35608), (7680, 26706), (8902, 23040), (9216, 22255), (11520, 17804), (13353, 15360)]