217850080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:817

約数の個数: 144

約数和(自身を含む): 615698496

約数和(自身を除く): 397848416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 751, 784, 980, 1036, 1120, 1184, 1295, 1480, 1502, 1568, 1813, 1960, 2072, 2590, 2960, 3004, 3626, 3755, 3920, 4144, 5180, 5257, 5920, 6008, 7252, 7510, 7840, 8288, 9065, 10360, 10514, 12016, 14504, 15020, 18130, 20720, 21028, 24032, 26285, 27787, 29008, 30040, 36260, 36799, 41440, 42056, 52570, 55574, 58016, 60080, 72520, 73598, 84112, 105140, 111148, 120160, 138935, 145040, 147196, 168224, 183995, 194509, 210280, 222296, 277870, 290080, 294392, 367990, 389018, 420560, 444592, 555740, 588784, 735980, 778036, 841120, 889184, 972545, 1111480, 1177568, 1361563, 1471960, 1556072, 1945090, 2222960, 2723126, 2943920, 3112144, 3890180, 4445920, 5446252, 5887840, 6224288, 6807815, 7780360, 10892504, 13615630, 15560720, 21785008, 27231260, 31121440, 43570016, 54462520, 108925040, 217850080]

約数ペア:

[(1, 217850080), (2, 108925040), (4, 54462520), (5, 43570016), (7, 31121440), (8, 27231260), (10, 21785008), (14, 15560720), (16, 13615630), (20, 10892504), (28, 7780360), (32, 6807815), (35, 6224288), (37, 5887840), (40, 5446252), (49, 4445920), (56, 3890180), (70, 3112144), (74, 2943920), (80, 2723126), (98, 2222960), (112, 1945090), (140, 1556072), (148, 1471960), (160, 1361563), (185, 1177568), (196, 1111480), (224, 972545), (245, 889184), (259, 841120), (280, 778036), (296, 735980), (370, 588784), (392, 555740), (490, 444592), (518, 420560), (560, 389018), (592, 367990), (740, 294392), (751, 290080), (784, 277870), (980, 222296), (1036, 210280), (1120, 194509), (1184, 183995), (1295, 168224), (1480, 147196), (1502, 145040), (1568, 138935), (1813, 120160), (1960, 111148), (2072, 105140), (2590, 84112), (2960, 73598), (3004, 72520), (3626, 60080), (3755, 58016), (3920, 55574), (4144, 52570), (5180, 42056), (5257, 41440), (5920, 36799), (6008, 36260), (7252, 30040), (7510, 29008), (7840, 27787), (8288, 26285), (9065, 24032), (10360, 21028), (10514, 20720), (12016, 18130), (14504, 15020)]