128022540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21997}}^1$

素因数の和:22106

約数の個数: 48

約数和(自身を含む): 362175072

約数和(自身を除く): 234152532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 21997, 43994, 65991, 87988, 109985, 131982, 219970, 263964, 329955, 439940, 659910, 1319820, 2133709, 4267418, 6401127, 8534836, 10668545, 12802254, 21337090, 25604508, 32005635, 42674180, 64011270, 128022540]

約数ペア:

[(1, 128022540), (2, 64011270), (3, 42674180), (4, 32005635), (5, 25604508), (6, 21337090), (10, 12802254), (12, 10668545), (15, 8534836), (20, 6401127), (30, 4267418), (60, 2133709), (97, 1319820), (194, 659910), (291, 439940), (388, 329955), (485, 263964), (582, 219970), (970, 131982), (1164, 109985), (1455, 87988), (1940, 65991), (2910, 43994), (5820, 21997)]