135420320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:803

約数の個数: 144

約数和(自身を含む): 388862208

約数和(自身を除く): 253441888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 751, 784, 805, 920, 980, 1120, 1127, 1288, 1502, 1568, 1610, 1840, 1960, 2254, 2576, 3004, 3220, 3680, 3755, 3920, 4508, 5152, 5257, 5635, 6008, 6440, 7510, 7840, 9016, 10514, 11270, 12016, 12880, 15020, 17273, 18032, 21028, 22540, 24032, 25760, 26285, 30040, 34546, 36064, 36799, 42056, 45080, 52570, 60080, 69092, 73598, 84112, 86365, 90160, 105140, 120160, 120911, 138184, 147196, 168224, 172730, 180320, 183995, 210280, 241822, 276368, 294392, 345460, 367990, 420560, 483644, 552736, 588784, 604555, 690920, 735980, 841120, 846377, 967288, 1177568, 1209110, 1381840, 1471960, 1692754, 1934576, 2418220, 2763680, 2943920, 3385508, 3869152, 4231885, 4836440, 5887840, 6771016, 8463770, 9672880, 13542032, 16927540, 19345760, 27084064, 33855080, 67710160, 135420320]

約数ペア:

[(1, 135420320), (2, 67710160), (4, 33855080), (5, 27084064), (7, 19345760), (8, 16927540), (10, 13542032), (14, 9672880), (16, 8463770), (20, 6771016), (23, 5887840), (28, 4836440), (32, 4231885), (35, 3869152), (40, 3385508), (46, 2943920), (49, 2763680), (56, 2418220), (70, 1934576), (80, 1692754), (92, 1471960), (98, 1381840), (112, 1209110), (115, 1177568), (140, 967288), (160, 846377), (161, 841120), (184, 735980), (196, 690920), (224, 604555), (230, 588784), (245, 552736), (280, 483644), (322, 420560), (368, 367990), (392, 345460), (460, 294392), (490, 276368), (560, 241822), (644, 210280), (736, 183995), (751, 180320), (784, 172730), (805, 168224), (920, 147196), (980, 138184), (1120, 120911), (1127, 120160), (1288, 105140), (1502, 90160), (1568, 86365), (1610, 84112), (1840, 73598), (1960, 69092), (2254, 60080), (2576, 52570), (3004, 45080), (3220, 42056), (3680, 36799), (3755, 36064), (3920, 34546), (4508, 30040), (5152, 26285), (5257, 25760), (5635, 24032), (6008, 22540), (6440, 21028), (7510, 18032), (7840, 17273), (9016, 15020), (10514, 12880), (11270, 12016)]