165739980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{394619}}^1$

素因数の和:394638

約数の個数: 48

約数和(自身を含む): 530369280

約数和(自身を除く): 364629300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 394619, 789238, 1183857, 1578476, 1973095, 2367714, 2762333, 3946190, 4735428, 5524666, 5919285, 7892380, 8286999, 11049332, 11838570, 13811665, 16573998, 23677140, 27623330, 33147996, 41434995, 55246660, 82869990, 165739980]

約数ペア:

[(1, 165739980), (2, 82869990), (3, 55246660), (4, 41434995), (5, 33147996), (6, 27623330), (7, 23677140), (10, 16573998), (12, 13811665), (14, 11838570), (15, 11049332), (20, 8286999), (21, 7892380), (28, 5919285), (30, 5524666), (35, 4735428), (42, 3946190), (60, 2762333), (70, 2367714), (84, 1973095), (105, 1578476), (140, 1183857), (210, 789238), (420, 394619)]