69640620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{165811}}^1$

素因数の和:165830

約数の個数: 48

約数和(自身を含む): 222851328

約数和(自身を除く): 153210708

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, 165811, 331622, 497433, 663244, 829055, 994866, 1160677, 1658110, 1989732, 2321354, 2487165, 3316220, 3482031, 4642708, 4974330, 5803385, 6964062, 9948660, 11606770, 13928124, 17410155, 23213540, 34820310, 69640620]

約数ペア:

[(1, 69640620), (2, 34820310), (3, 23213540), (4, 17410155), (5, 13928124), (6, 11606770), (7, 9948660), (10, 6964062), (12, 5803385), (14, 4974330), (15, 4642708), (20, 3482031), (21, 3316220), (28, 2487165), (30, 2321354), (35, 1989732), (42, 1658110), (60, 1160677), (70, 994866), (84, 829055), (105, 663244), (140, 497433), (210, 331622), (420, 165811)]