166142720

素因数分解:

$2^8\times 5^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 400223376

約数和(自身を除く): 234080656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 293, 320, 443, 586, 640, 886, 1172, 1280, 1465, 1772, 2215, 2344, 2930, 3544, 4430, 4688, 5860, 7088, 8860, 9376, 11720, 14176, 17720, 18752, 23440, 28352, 35440, 37504, 46880, 56704, 70880, 75008, 93760, 113408, 129799, 141760, 187520, 259598, 283520, 375040, 519196, 567040, 648995, 1038392, 1297990, 2076784, 2595980, 4153568, 5191960, 8307136, 10383920, 16614272, 20767840, 33228544, 41535680, 83071360, 166142720]

約数ペア:

[(1, 166142720), (2, 83071360), (4, 41535680), (5, 33228544), (8, 20767840), (10, 16614272), (16, 10383920), (20, 8307136), (32, 5191960), (40, 4153568), (64, 2595980), (80, 2076784), (128, 1297990), (160, 1038392), (256, 648995), (293, 567040), (320, 519196), (443, 375040), (586, 283520), (640, 259598), (886, 187520), (1172, 141760), (1280, 129799), (1465, 113408), (1772, 93760), (2215, 75008), (2344, 70880), (2930, 56704), (3544, 46880), (4430, 37504), (4688, 35440), (5860, 28352), (7088, 23440), (8860, 18752), (9376, 17720), (11720, 14176)]