321554820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{5359247}}^1$

素因数の和:5359259

約数の個数: 24

約数和(自身を含む): 900353664

約数和(自身を除く): 578798844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 5359247, 10718494, 16077741, 21436988, 26796235, 32155482, 53592470, 64310964, 80388705, 107184940, 160777410, 321554820]

約数ペア:

[(1, 321554820), (2, 160777410), (3, 107184940), (4, 80388705), (5, 64310964), (6, 53592470), (10, 32155482), (12, 26796235), (15, 21436988), (20, 16077741), (30, 10718494), (60, 5359247)]