208181280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 192

約数和(自身を含む): 694552320

約数和(自身を除く): 486371040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 109, 115, 120, 138, 160, 173, 184, 218, 230, 240, 276, 327, 345, 346, 368, 436, 460, 480, 519, 545, 552, 654, 690, 692, 736, 865, 872, 920, 1038, 1090, 1104, 1308, 1380, 1384, 1635, 1730, 1744, 1840, 2076, 2180, 2208, 2507, 2595, 2616, 2760, 2768, 3270, 3460, 3488, 3680, 3979, 4152, 4360, 5014, 5190, 5232, 5520, 5536, 6540, 6920, 7521, 7958, 8304, 8720, 10028, 10380, 10464, 11040, 11937, 12535, 13080, 13840, 15042, 15916, 16608, 17440, 18857, 19895, 20056, 20760, 23874, 25070, 26160, 27680, 30084, 31832, 37605, 37714, 39790, 40112, 41520, 47748, 50140, 52320, 56571, 59685, 60168, 63664, 75210, 75428, 79580, 80224, 83040, 94285, 95496, 100280, 113142, 119370, 120336, 127328, 150420, 150856, 159160, 188570, 190992, 200560, 226284, 238740, 240672, 282855, 300840, 301712, 318320, 377140, 381984, 401120, 433711, 452568, 477480, 565710, 601680, 603424, 636640, 754280, 867422, 905136, 954960, 1131420, 1203360, 1301133, 1508560, 1734844, 1810272, 1909920, 2168555, 2262840, 2602266, 3017120, 3469688, 4337110, 4525680, 5204532, 6505665, 6939376, 8674220, 9051360, 10409064, 13011330, 13878752, 17348440, 20818128, 26022660, 34696880, 41636256, 52045320, 69393760, 104090640, 208181280]

約数ペア:

[(1, 208181280), (2, 104090640), (3, 69393760), (4, 52045320), (5, 41636256), (6, 34696880), (8, 26022660), (10, 20818128), (12, 17348440), (15, 13878752), (16, 13011330), (20, 10409064), (23, 9051360), (24, 8674220), (30, 6939376), (32, 6505665), (40, 5204532), (46, 4525680), (48, 4337110), (60, 3469688), (69, 3017120), (80, 2602266), (92, 2262840), (96, 2168555), (109, 1909920), (115, 1810272), (120, 1734844), (138, 1508560), (160, 1301133), (173, 1203360), (184, 1131420), (218, 954960), (230, 905136), (240, 867422), (276, 754280), (327, 636640), (345, 603424), (346, 601680), (368, 565710), (436, 477480), (460, 452568), (480, 433711), (519, 401120), (545, 381984), (552, 377140), (654, 318320), (690, 301712), (692, 300840), (736, 282855), (865, 240672), (872, 238740), (920, 226284), (1038, 200560), (1090, 190992), (1104, 188570), (1308, 159160), (1380, 150856), (1384, 150420), (1635, 127328), (1730, 120336), (1744, 119370), (1840, 113142), (2076, 100280), (2180, 95496), (2208, 94285), (2507, 83040), (2595, 80224), (2616, 79580), (2760, 75428), (2768, 75210), (3270, 63664), (3460, 60168), (3488, 59685), (3680, 56571), (3979, 52320), (4152, 50140), (4360, 47748), (5014, 41520), (5190, 40112), (5232, 39790), (5520, 37714), (5536, 37605), (6540, 31832), (6920, 30084), (7521, 27680), (7958, 26160), (8304, 25070), (8720, 23874), (10028, 20760), (10380, 20056), (10464, 19895), (11040, 18857), (11937, 17440), (12535, 16608), (13080, 15916), (13840, 15042)]