15485940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 47305440

約数和(自身を除く): 31819500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 379, 454, 681, 758, 908, 1135, 1137, 1362, 1516, 1895, 2043, 2270, 2274, 2724, 3405, 3411, 3790, 4086, 4540, 4548, 5685, 6810, 6822, 7580, 8172, 10215, 11370, 13620, 13644, 17055, 20430, 22740, 34110, 40860, 68220, 86033, 172066, 258099, 344132, 430165, 516198, 774297, 860330, 1032396, 1290495, 1548594, 1720660, 2580990, 3097188, 3871485, 5161980, 7742970, 15485940]

約数ペア:

[(1, 15485940), (2, 7742970), (3, 5161980), (4, 3871485), (5, 3097188), (6, 2580990), (9, 1720660), (10, 1548594), (12, 1290495), (15, 1032396), (18, 860330), (20, 774297), (30, 516198), (36, 430165), (45, 344132), (60, 258099), (90, 172066), (180, 86033), (227, 68220), (379, 40860), (454, 34110), (681, 22740), (758, 20430), (908, 17055), (1135, 13644), (1137, 13620), (1362, 11370), (1516, 10215), (1895, 8172), (2043, 7580), (2270, 6822), (2274, 6810), (2724, 5685), (3405, 4548), (3411, 4540), (3790, 4086)]