206628660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163991}}^1$

素因数の和:164013

約数の個数: 72

約数和(自身を含む): 716317056

約数和(自身を除く): 509688396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163991, 327982, 491973, 655964, 819955, 983946, 1147937, 1475919, 1639910, 1967892, 2295874, 2459865, 2951838, 3279820, 3443811, 4591748, 4919730, 5739685, 5903676, 6887622, 7379595, 9839460, 10331433, 11479370, 13775244, 14759190, 17219055, 20662866, 22958740, 29518380, 34438110, 41325732, 51657165, 68876220, 103314330, 206628660]

約数ペア:

[(1, 206628660), (2, 103314330), (3, 68876220), (4, 51657165), (5, 41325732), (6, 34438110), (7, 29518380), (9, 22958740), (10, 20662866), (12, 17219055), (14, 14759190), (15, 13775244), (18, 11479370), (20, 10331433), (21, 9839460), (28, 7379595), (30, 6887622), (35, 5903676), (36, 5739685), (42, 4919730), (45, 4591748), (60, 3443811), (63, 3279820), (70, 2951838), (84, 2459865), (90, 2295874), (105, 1967892), (126, 1639910), (140, 1475919), (180, 1147937), (210, 983946), (252, 819955), (315, 655964), (420, 491973), (630, 327982), (1260, 163991)]