18821100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1519

約数の個数: 72

約数和(自身を含む): 55760320

約数和(自身を除く): 36939220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1459, 2150, 2580, 2918, 3225, 4300, 4377, 5836, 6450, 7295, 8754, 12900, 14590, 17508, 21885, 29180, 36475, 43770, 62737, 72950, 87540, 109425, 125474, 145900, 188211, 218850, 250948, 313685, 376422, 437700, 627370, 752844, 941055, 1254740, 1568425, 1882110, 3136850, 3764220, 4705275, 6273700, 9410550, 18821100]

約数ペア:

[(1, 18821100), (2, 9410550), (3, 6273700), (4, 4705275), (5, 3764220), (6, 3136850), (10, 1882110), (12, 1568425), (15, 1254740), (20, 941055), (25, 752844), (30, 627370), (43, 437700), (50, 376422), (60, 313685), (75, 250948), (86, 218850), (100, 188211), (129, 145900), (150, 125474), (172, 109425), (215, 87540), (258, 72950), (300, 62737), (430, 43770), (516, 36475), (645, 29180), (860, 21885), (1075, 17508), (1290, 14590), (1459, 12900), (2150, 8754), (2580, 7295), (2918, 6450), (3225, 5836), (4300, 4377)]