90769980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{216119}}^1$

素因数の和:216138

約数の個数: 48

約数和(自身を含む): 290465280

約数和(自身を除く): 199695300

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, 216119, 432238, 648357, 864476, 1080595, 1296714, 1512833, 2161190, 2593428, 3025666, 3241785, 4322380, 4538499, 6051332, 6483570, 7564165, 9076998, 12967140, 15128330, 18153996, 22692495, 30256660, 45384990, 90769980]

約数ペア:

[(1, 90769980), (2, 45384990), (3, 30256660), (4, 22692495), (5, 18153996), (6, 15128330), (7, 12967140), (10, 9076998), (12, 7564165), (14, 6483570), (15, 6051332), (20, 4538499), (21, 4322380), (28, 3241785), (30, 3025666), (35, 2593428), (42, 2161190), (60, 1512833), (70, 1296714), (84, 1080595), (105, 864476), (140, 648357), (210, 432238), (420, 216119)]