28895940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17837}}^1$

素因数の和:17858

約数の個数: 60

約数和(自身を含む): 90652716

約数和(自身を除く): 61756776

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17837, 35674, 53511, 71348, 89185, 107022, 160533, 178370, 214044, 267555, 321066, 356740, 481599, 535110, 642132, 802665, 963198, 1070220, 1444797, 1605330, 1926396, 2407995, 2889594, 3210660, 4815990, 5779188, 7223985, 9631980, 14447970, 28895940]

約数ペア:

[(1, 28895940), (2, 14447970), (3, 9631980), (4, 7223985), (5, 5779188), (6, 4815990), (9, 3210660), (10, 2889594), (12, 2407995), (15, 1926396), (18, 1605330), (20, 1444797), (27, 1070220), (30, 963198), (36, 802665), (45, 642132), (54, 535110), (60, 481599), (81, 356740), (90, 321066), (108, 267555), (135, 214044), (162, 178370), (180, 160533), (270, 107022), (324, 89185), (405, 71348), (540, 53511), (810, 35674), (1620, 17837)]