30981240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2157

約数の個数: 96

約数和(自身を含む): 103194000

約数和(自身を除く): 72212760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2099, 2460, 2952, 3690, 4198, 4920, 6297, 7380, 8396, 10495, 12594, 14760, 16792, 18891, 20990, 25188, 31485, 37782, 41980, 50376, 62970, 75564, 83960, 86059, 94455, 125940, 151128, 172118, 188910, 251880, 258177, 344236, 377820, 430295, 516354, 688472, 755640, 774531, 860590, 1032708, 1290885, 1549062, 1721180, 2065416, 2581770, 3098124, 3442360, 3872655, 5163540, 6196248, 7745310, 10327080, 15490620, 30981240]

約数ペア:

[(1, 30981240), (2, 15490620), (3, 10327080), (4, 7745310), (5, 6196248), (6, 5163540), (8, 3872655), (9, 3442360), (10, 3098124), (12, 2581770), (15, 2065416), (18, 1721180), (20, 1549062), (24, 1290885), (30, 1032708), (36, 860590), (40, 774531), (41, 755640), (45, 688472), (60, 516354), (72, 430295), (82, 377820), (90, 344236), (120, 258177), (123, 251880), (164, 188910), (180, 172118), (205, 151128), (246, 125940), (328, 94455), (360, 86059), (369, 83960), (410, 75564), (492, 62970), (615, 50376), (738, 41980), (820, 37782), (984, 31485), (1230, 25188), (1476, 20990), (1640, 18891), (1845, 16792), (2099, 14760), (2460, 12594), (2952, 10495), (3690, 8396), (4198, 7380), (4920, 6297)]