221356920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1844641}}^1$

素因数の和:1844655

約数の個数: 32

約数和(自身を含む): 664071120

約数和(自身を除く): 442714200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1844641, 3689282, 5533923, 7378564, 9223205, 11067846, 14757128, 18446410, 22135692, 27669615, 36892820, 44271384, 55339230, 73785640, 110678460, 221356920]

約数ペア:

[(1, 221356920), (2, 110678460), (3, 73785640), (4, 55339230), (5, 44271384), (6, 36892820), (8, 27669615), (10, 22135692), (12, 18446410), (15, 14757128), (20, 11067846), (24, 9223205), (30, 7378564), (40, 5533923), (60, 3689282), (120, 1844641)]