77998620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185711}}^1$

素因数の和:185730

約数の個数: 48

約数和(自身を含む): 249596928

約数和(自身を除く): 171598308

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, 185711, 371422, 557133, 742844, 928555, 1114266, 1299977, 1857110, 2228532, 2599954, 2785665, 3714220, 3899931, 5199908, 5571330, 6499885, 7799862, 11142660, 12999770, 15599724, 19499655, 25999540, 38999310, 77998620]

約数ペア:

[(1, 77998620), (2, 38999310), (3, 25999540), (4, 19499655), (5, 15599724), (6, 12999770), (7, 11142660), (10, 7799862), (12, 6499885), (14, 5571330), (15, 5199908), (20, 3899931), (21, 3714220), (28, 2785665), (30, 2599954), (35, 2228532), (42, 1857110), (60, 1299977), (70, 1114266), (84, 928555), (105, 742844), (140, 557133), (210, 371422), (420, 185711)]