201891780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1121621}}^1$

素因数の和:1121636

約数の個数: 36

約数和(自身を含む): 612405612

約数和(自身を除く): 410513832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1121621, 2243242, 3364863, 4486484, 5608105, 6729726, 10094589, 11216210, 13459452, 16824315, 20189178, 22432420, 33648630, 40378356, 50472945, 67297260, 100945890, 201891780]

約数ペア:

[(1, 201891780), (2, 100945890), (3, 67297260), (4, 50472945), (5, 40378356), (6, 33648630), (9, 22432420), (10, 20189178), (12, 16824315), (15, 13459452), (18, 11216210), (20, 10094589), (30, 6729726), (36, 5608105), (45, 4486484), (60, 3364863), (90, 2243242), (180, 1121621)]