91090120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9001}}^1$

素因数の和:9046

約数の個数: 64

約数和(自身を含む): 233331840

約数和(自身を除く): 142241720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 9001, 10120, 18002, 36004, 45005, 72008, 90010, 99011, 180020, 198022, 207023, 360040, 396044, 414046, 495055, 792088, 828092, 990110, 1035115, 1656184, 1980220, 2070230, 2277253, 3960440, 4140460, 4554506, 8280920, 9109012, 11386265, 18218024, 22772530, 45545060, 91090120]

約数ペア:

[(1, 91090120), (2, 45545060), (4, 22772530), (5, 18218024), (8, 11386265), (10, 9109012), (11, 8280920), (20, 4554506), (22, 4140460), (23, 3960440), (40, 2277253), (44, 2070230), (46, 1980220), (55, 1656184), (88, 1035115), (92, 990110), (110, 828092), (115, 792088), (184, 495055), (220, 414046), (230, 396044), (253, 360040), (440, 207023), (460, 198022), (506, 180020), (920, 99011), (1012, 90010), (1265, 72008), (2024, 45005), (2530, 36004), (5060, 18002), (9001, 10120)]