87108120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21997}}^1$

素因数の和:22025

約数の個数: 96

約数和(自身を含む): 308851920

約数和(自身を除く): 221743800

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, 21997, 43994, 65991, 87988, 109985, 131982, 175976, 197973, 219970, 241967, 263964, 329955, 395946, 439940, 483934, 527928, 659910, 725901, 791892, 879880, 967868, 989865, 1209835, 1319820, 1451802, 1583784, 1935736, 1979730, 2177703, 2419670, 2639640, 2903604, 3629505, 3959460, 4355406, 4839340, 5807208, 7259010, 7918920, 8710812, 9678680, 10888515, 14518020, 17421624, 21777030, 29036040, 43554060, 87108120]

約数ペア:

[(1, 87108120), (2, 43554060), (3, 29036040), (4, 21777030), (5, 17421624), (6, 14518020), (8, 10888515), (9, 9678680), (10, 8710812), (11, 7918920), (12, 7259010), (15, 5807208), (18, 4839340), (20, 4355406), (22, 3959460), (24, 3629505), (30, 2903604), (33, 2639640), (36, 2419670), (40, 2177703), (44, 1979730), (45, 1935736), (55, 1583784), (60, 1451802), (66, 1319820), (72, 1209835), (88, 989865), (90, 967868), (99, 879880), (110, 791892), (120, 725901), (132, 659910), (165, 527928), (180, 483934), (198, 439940), (220, 395946), (264, 329955), (330, 263964), (360, 241967), (396, 219970), (440, 197973), (495, 175976), (660, 131982), (792, 109985), (990, 87988), (1320, 65991), (1980, 43994), (3960, 21997)]