478516480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 1249088400

約数和(自身を除く): 770571920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 193, 208, 256, 260, 298, 320, 386, 416, 520, 596, 640, 745, 772, 832, 965, 1040, 1192, 1280, 1490, 1544, 1664, 1930, 1937, 2080, 2384, 2509, 2980, 3088, 3328, 3860, 3874, 4160, 4768, 5018, 5960, 6176, 7720, 7748, 8320, 9536, 9685, 10036, 11920, 12352, 12545, 15440, 15496, 16640, 19072, 19370, 20072, 23840, 24704, 25090, 28757, 30880, 30992, 38144, 38740, 40144, 47680, 49408, 50180, 57514, 61760, 61984, 77480, 80288, 95360, 100360, 115028, 123520, 123968, 143785, 154960, 160576, 190720, 200720, 230056, 247040, 247936, 287570, 309920, 321152, 373841, 401440, 460112, 495872, 575140, 619840, 642304, 747682, 802880, 920224, 1150280, 1239680, 1495364, 1605760, 1840448, 1869205, 2300560, 2479360, 2990728, 3211520, 3680896, 3738410, 4601120, 5981456, 7361792, 7476820, 9202240, 11962912, 14953640, 18404480, 23925824, 29907280, 36808960, 47851648, 59814560, 95703296, 119629120, 239258240, 478516480]

約数ペア:

[(1, 478516480), (2, 239258240), (4, 119629120), (5, 95703296), (8, 59814560), (10, 47851648), (13, 36808960), (16, 29907280), (20, 23925824), (26, 18404480), (32, 14953640), (40, 11962912), (52, 9202240), (64, 7476820), (65, 7361792), (80, 5981456), (104, 4601120), (128, 3738410), (130, 3680896), (149, 3211520), (160, 2990728), (193, 2479360), (208, 2300560), (256, 1869205), (260, 1840448), (298, 1605760), (320, 1495364), (386, 1239680), (416, 1150280), (520, 920224), (596, 802880), (640, 747682), (745, 642304), (772, 619840), (832, 575140), (965, 495872), (1040, 460112), (1192, 401440), (1280, 373841), (1490, 321152), (1544, 309920), (1664, 287570), (1930, 247936), (1937, 247040), (2080, 230056), (2384, 200720), (2509, 190720), (2980, 160576), (3088, 154960), (3328, 143785), (3860, 123968), (3874, 123520), (4160, 115028), (4768, 100360), (5018, 95360), (5960, 80288), (6176, 77480), (7720, 61984), (7748, 61760), (8320, 57514), (9536, 50180), (9685, 49408), (10036, 47680), (11920, 40144), (12352, 38740), (12545, 38144), (15440, 30992), (15496, 30880), (16640, 28757), (19072, 25090), (19370, 24704), (20072, 23840)]