81310680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20533}}^1$

素因数の和:20561

約数の個数: 96

約数和(自身を含む): 288297360

約数和(自身を除く): 206986680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20533, 41066, 61599, 82132, 102665, 123198, 164264, 184797, 205330, 225863, 246396, 307995, 369594, 410660, 451726, 492792, 615990, 677589, 739188, 821320, 903452, 923985, 1129315, 1231980, 1355178, 1478376, 1806904, 1847970, 2032767, 2258630, 2463960, 2710356, 3387945, 3695940, 4065534, 4517260, 5420712, 6775890, 7391880, 8131068, 9034520, 10163835, 13551780, 16262136, 20327670, 27103560, 40655340, 81310680]

約数ペア:

[(1, 81310680), (2, 40655340), (3, 27103560), (4, 20327670), (5, 16262136), (6, 13551780), (8, 10163835), (9, 9034520), (10, 8131068), (11, 7391880), (12, 6775890), (15, 5420712), (18, 4517260), (20, 4065534), (22, 3695940), (24, 3387945), (30, 2710356), (33, 2463960), (36, 2258630), (40, 2032767), (44, 1847970), (45, 1806904), (55, 1478376), (60, 1355178), (66, 1231980), (72, 1129315), (88, 923985), (90, 903452), (99, 821320), (110, 739188), (120, 677589), (132, 615990), (165, 492792), (180, 451726), (198, 410660), (220, 369594), (264, 307995), (330, 246396), (360, 225863), (396, 205330), (440, 184797), (495, 164264), (660, 123198), (792, 102665), (990, 82132), (1320, 61599), (1980, 41066), (3960, 20533)]