166759520

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^2\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 401408784

約数和(自身を除く): 234649264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 167, 316, 334, 395, 632, 668, 790, 835, 1264, 1336, 1580, 1670, 2528, 2672, 3160, 3340, 5344, 6241, 6320, 6680, 12482, 12640, 13193, 13360, 24964, 26386, 26720, 31205, 49928, 52772, 62410, 65965, 99856, 105544, 124820, 131930, 199712, 211088, 249640, 263860, 422176, 499280, 527720, 998560, 1042247, 1055440, 2084494, 2110880, 4168988, 5211235, 8337976, 10422470, 16675952, 20844940, 33351904, 41689880, 83379760, 166759520]

約数ペア:

[(1, 166759520), (2, 83379760), (4, 41689880), (5, 33351904), (8, 20844940), (10, 16675952), (16, 10422470), (20, 8337976), (32, 5211235), (40, 4168988), (79, 2110880), (80, 2084494), (158, 1055440), (160, 1042247), (167, 998560), (316, 527720), (334, 499280), (395, 422176), (632, 263860), (668, 249640), (790, 211088), (835, 199712), (1264, 131930), (1336, 124820), (1580, 105544), (1670, 99856), (2528, 65965), (2672, 62410), (3160, 52772), (3340, 49928), (5344, 31205), (6241, 26720), (6320, 26386), (6680, 24964), (12482, 13360), (12640, 13193)]