81583920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10301}}^1$

素因数の和:10331

約数の個数: 120

約数和(自身を含む): 298922832

約数和(自身を除く): 217338912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 10301, 20602, 30903, 41204, 51505, 61806, 82408, 92709, 103010, 113311, 123612, 154515, 164816, 185418, 206020, 226622, 247224, 309030, 339933, 370836, 412040, 453244, 463545, 494448, 566555, 618060, 679866, 741672, 824080, 906488, 927090, 1019799, 1133110, 1236120, 1359732, 1483344, 1699665, 1812976, 1854180, 2039598, 2266220, 2472240, 2719464, 3399330, 3708360, 4079196, 4532440, 5098995, 5438928, 6798660, 7416720, 8158392, 9064880, 10197990, 13597320, 16316784, 20395980, 27194640, 40791960, 81583920]

約数ペア:

[(1, 81583920), (2, 40791960), (3, 27194640), (4, 20395980), (5, 16316784), (6, 13597320), (8, 10197990), (9, 9064880), (10, 8158392), (11, 7416720), (12, 6798660), (15, 5438928), (16, 5098995), (18, 4532440), (20, 4079196), (22, 3708360), (24, 3399330), (30, 2719464), (33, 2472240), (36, 2266220), (40, 2039598), (44, 1854180), (45, 1812976), (48, 1699665), (55, 1483344), (60, 1359732), (66, 1236120), (72, 1133110), (80, 1019799), (88, 927090), (90, 906488), (99, 824080), (110, 741672), (120, 679866), (132, 618060), (144, 566555), (165, 494448), (176, 463545), (180, 453244), (198, 412040), (220, 370836), (240, 339933), (264, 309030), (330, 247224), (360, 226622), (396, 206020), (440, 185418), (495, 164816), (528, 154515), (660, 123612), (720, 113311), (792, 103010), (880, 92709), (990, 82408), (1320, 61806), (1584, 51505), (1980, 41204), (2640, 30903), (3960, 20602), (7920, 10301)]