30383920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 86003424

約数和(自身を除く): 55619504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 337, 368, 392, 460, 490, 560, 644, 674, 784, 805, 920, 980, 1127, 1288, 1348, 1610, 1685, 1840, 1960, 2254, 2359, 2576, 2696, 3220, 3370, 3920, 4508, 4718, 5392, 5635, 6440, 6740, 7751, 9016, 9436, 11270, 11795, 12880, 13480, 15502, 16513, 18032, 18872, 22540, 23590, 26960, 31004, 33026, 37744, 38755, 45080, 47180, 54257, 62008, 66052, 77510, 82565, 90160, 94360, 108514, 124016, 132104, 155020, 165130, 188720, 217028, 264208, 271285, 310040, 330260, 379799, 434056, 542570, 620080, 660520, 759598, 868112, 1085140, 1321040, 1519196, 1898995, 2170280, 3038392, 3797990, 4340560, 6076784, 7595980, 15191960, 30383920]

約数ペア:

[(1, 30383920), (2, 15191960), (4, 7595980), (5, 6076784), (7, 4340560), (8, 3797990), (10, 3038392), (14, 2170280), (16, 1898995), (20, 1519196), (23, 1321040), (28, 1085140), (35, 868112), (40, 759598), (46, 660520), (49, 620080), (56, 542570), (70, 434056), (80, 379799), (92, 330260), (98, 310040), (112, 271285), (115, 264208), (140, 217028), (161, 188720), (184, 165130), (196, 155020), (230, 132104), (245, 124016), (280, 108514), (322, 94360), (337, 90160), (368, 82565), (392, 77510), (460, 66052), (490, 62008), (560, 54257), (644, 47180), (674, 45080), (784, 38755), (805, 37744), (920, 33026), (980, 31004), (1127, 26960), (1288, 23590), (1348, 22540), (1610, 18872), (1685, 18032), (1840, 16513), (1960, 15502), (2254, 13480), (2359, 12880), (2576, 11795), (2696, 11270), (3220, 9436), (3370, 9016), (3920, 7751), (4508, 6740), (4718, 6440), (5392, 5635)]