208408320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:335

約数の個数: 216

約数和(自身を含む): 733387200

約数和(自身を除く): 524978880

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, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 229, 237, 240, 256, 288, 316, 320, 360, 384, 395, 458, 474, 480, 576, 632, 640, 687, 711, 720, 768, 790, 916, 948, 960, 1145, 1152, 1185, 1264, 1280, 1374, 1422, 1440, 1580, 1832, 1896, 1920, 2061, 2290, 2304, 2370, 2528, 2748, 2844, 2880, 3160, 3435, 3555, 3664, 3792, 3840, 4122, 4580, 4740, 5056, 5496, 5688, 5760, 6320, 6870, 7110, 7328, 7584, 8244, 9160, 9480, 10112, 10305, 10992, 11376, 11520, 12640, 13740, 14220, 14656, 15168, 16488, 18091, 18320, 18960, 20224, 20610, 21984, 22752, 25280, 27480, 28440, 29312, 30336, 32976, 36182, 36640, 37920, 41220, 43968, 45504, 50560, 54273, 54960, 56880, 58624, 60672, 65952, 72364, 73280, 75840, 82440, 87936, 90455, 91008, 101120, 108546, 109920, 113760, 131904, 144728, 146560, 151680, 162819, 164880, 175872, 180910, 182016, 217092, 219840, 227520, 263808, 271365, 289456, 293120, 303360, 325638, 329760, 361820, 434184, 439680, 455040, 527616, 542730, 578912, 651276, 659520, 723640, 814095, 868368, 879360, 910080, 1085460, 1157824, 1302552, 1319040, 1447280, 1628190, 1736736, 2170920, 2315648, 2605104, 2638080, 2894560, 3256380, 3473472, 4341840, 4631296, 5210208, 5789120, 6512760, 6946944, 8683680, 10420416, 11578240, 13025520, 13893888, 17367360, 20840832, 23156480, 26051040, 34734720, 41681664, 52102080, 69469440, 104204160, 208408320]

約数ペア:

[(1, 208408320), (2, 104204160), (3, 69469440), (4, 52102080), (5, 41681664), (6, 34734720), (8, 26051040), (9, 23156480), (10, 20840832), (12, 17367360), (15, 13893888), (16, 13025520), (18, 11578240), (20, 10420416), (24, 8683680), (30, 6946944), (32, 6512760), (36, 5789120), (40, 5210208), (45, 4631296), (48, 4341840), (60, 3473472), (64, 3256380), (72, 2894560), (79, 2638080), (80, 2605104), (90, 2315648), (96, 2170920), (120, 1736736), (128, 1628190), (144, 1447280), (158, 1319040), (160, 1302552), (180, 1157824), (192, 1085460), (229, 910080), (237, 879360), (240, 868368), (256, 814095), (288, 723640), (316, 659520), (320, 651276), (360, 578912), (384, 542730), (395, 527616), (458, 455040), (474, 439680), (480, 434184), (576, 361820), (632, 329760), (640, 325638), (687, 303360), (711, 293120), (720, 289456), (768, 271365), (790, 263808), (916, 227520), (948, 219840), (960, 217092), (1145, 182016), (1152, 180910), (1185, 175872), (1264, 164880), (1280, 162819), (1374, 151680), (1422, 146560), (1440, 144728), (1580, 131904), (1832, 113760), (1896, 109920), (1920, 108546), (2061, 101120), (2290, 91008), (2304, 90455), (2370, 87936), (2528, 82440), (2748, 75840), (2844, 73280), (2880, 72364), (3160, 65952), (3435, 60672), (3555, 58624), (3664, 56880), (3792, 54960), (3840, 54273), (4122, 50560), (4580, 45504), (4740, 43968), (5056, 41220), (5496, 37920), (5688, 36640), (5760, 36182), (6320, 32976), (6870, 30336), (7110, 29312), (7328, 28440), (7584, 27480), (8244, 25280), (9160, 22752), (9480, 21984), (10112, 20610), (10305, 20224), (10992, 18960), (11376, 18320), (11520, 18091), (12640, 16488), (13740, 15168), (14220, 14656)]