81605280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1078

約数の個数: 96

約数和(自身を含む): 258660864

約数和(自身を除く): 177055584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 197, 240, 394, 480, 591, 788, 863, 985, 1182, 1576, 1726, 1970, 2364, 2589, 2955, 3152, 3452, 3940, 4315, 4728, 5178, 5910, 6304, 6904, 7880, 8630, 9456, 10356, 11820, 12945, 13808, 15760, 17260, 18912, 20712, 23640, 25890, 27616, 31520, 34520, 41424, 47280, 51780, 69040, 82848, 94560, 103560, 138080, 170011, 207120, 340022, 414240, 510033, 680044, 850055, 1020066, 1360088, 1700110, 2040132, 2550165, 2720176, 3400220, 4080264, 5100330, 5440352, 6800440, 8160528, 10200660, 13600880, 16321056, 20401320, 27201760, 40802640, 81605280]

約数ペア:

[(1, 81605280), (2, 40802640), (3, 27201760), (4, 20401320), (5, 16321056), (6, 13600880), (8, 10200660), (10, 8160528), (12, 6800440), (15, 5440352), (16, 5100330), (20, 4080264), (24, 3400220), (30, 2720176), (32, 2550165), (40, 2040132), (48, 1700110), (60, 1360088), (80, 1020066), (96, 850055), (120, 680044), (160, 510033), (197, 414240), (240, 340022), (394, 207120), (480, 170011), (591, 138080), (788, 103560), (863, 94560), (985, 82848), (1182, 69040), (1576, 51780), (1726, 47280), (1970, 41424), (2364, 34520), (2589, 31520), (2955, 27616), (3152, 25890), (3452, 23640), (3940, 20712), (4315, 18912), (4728, 17260), (5178, 15760), (5910, 13808), (6304, 12945), (6904, 11820), (7880, 10356), (8630, 9456)]