258792660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{205391}}^1$

素因数の和:205413

約数の個数: 72

約数和(自身を含む): 897152256

約数和(自身を除く): 638359596

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, 205391, 410782, 616173, 821564, 1026955, 1232346, 1437737, 1848519, 2053910, 2464692, 2875474, 3080865, 3697038, 4107820, 4313211, 5750948, 6161730, 7188685, 7394076, 8626422, 9242595, 12323460, 12939633, 14377370, 17252844, 18485190, 21566055, 25879266, 28754740, 36970380, 43132110, 51758532, 64698165, 86264220, 129396330, 258792660]

約数ペア:

[(1, 258792660), (2, 129396330), (3, 86264220), (4, 64698165), (5, 51758532), (6, 43132110), (7, 36970380), (9, 28754740), (10, 25879266), (12, 21566055), (14, 18485190), (15, 17252844), (18, 14377370), (20, 12939633), (21, 12323460), (28, 9242595), (30, 8626422), (35, 7394076), (36, 7188685), (42, 6161730), (45, 5750948), (60, 4313211), (63, 4107820), (70, 3697038), (84, 3080865), (90, 2875474), (105, 2464692), (126, 2053910), (140, 1848519), (180, 1437737), (210, 1232346), (252, 1026955), (315, 821564), (420, 616173), (630, 410782), (1260, 205391)]