30118620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71711}}^1$

素因数の和:71730

約数の個数: 48

約数和(自身を含む): 96380928

約数和(自身を除く): 66262308

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, 71711, 143422, 215133, 286844, 358555, 430266, 501977, 717110, 860532, 1003954, 1075665, 1434220, 1505931, 2007908, 2151330, 2509885, 3011862, 4302660, 5019770, 6023724, 7529655, 10039540, 15059310, 30118620]

約数ペア:

[(1, 30118620), (2, 15059310), (3, 10039540), (4, 7529655), (5, 6023724), (6, 5019770), (7, 4302660), (10, 3011862), (12, 2509885), (14, 2151330), (15, 2007908), (20, 1505931), (21, 1434220), (28, 1075665), (30, 1003954), (35, 860532), (42, 717110), (60, 501977), (70, 430266), (84, 358555), (105, 286844), (140, 215133), (210, 143422), (420, 71711)]