179721880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11149}}^1$

素因数の和:11204

約数の個数: 64

約数和(自身を含む): 449568000

約数和(自身を除く): 269846120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 11149, 16120, 22298, 44596, 55745, 89192, 111490, 144937, 222980, 289874, 345619, 445960, 579748, 691238, 724685, 1159496, 1382476, 1449370, 1728095, 2764952, 2898740, 3456190, 4493047, 5797480, 6912380, 8986094, 13824760, 17972188, 22465235, 35944376, 44930470, 89860940, 179721880]

約数ペア:

[(1, 179721880), (2, 89860940), (4, 44930470), (5, 35944376), (8, 22465235), (10, 17972188), (13, 13824760), (20, 8986094), (26, 6912380), (31, 5797480), (40, 4493047), (52, 3456190), (62, 2898740), (65, 2764952), (104, 1728095), (124, 1449370), (130, 1382476), (155, 1159496), (248, 724685), (260, 691238), (310, 579748), (403, 445960), (520, 345619), (620, 289874), (806, 222980), (1240, 144937), (1612, 111490), (2015, 89192), (3224, 55745), (4030, 44596), (8060, 22298), (11149, 16120)]