208392660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{165391}}^1$

素因数の和:165413

約数の個数: 72

約数和(自身を含む): 722432256

約数和(自身を除く): 514039596

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, 165391, 330782, 496173, 661564, 826955, 992346, 1157737, 1488519, 1653910, 1984692, 2315474, 2480865, 2977038, 3307820, 3473211, 4630948, 4961730, 5788685, 5954076, 6946422, 7442595, 9923460, 10419633, 11577370, 13892844, 14885190, 17366055, 20839266, 23154740, 29770380, 34732110, 41678532, 52098165, 69464220, 104196330, 208392660]

約数ペア:

[(1, 208392660), (2, 104196330), (3, 69464220), (4, 52098165), (5, 41678532), (6, 34732110), (7, 29770380), (9, 23154740), (10, 20839266), (12, 17366055), (14, 14885190), (15, 13892844), (18, 11577370), (20, 10419633), (21, 9923460), (28, 7442595), (30, 6946422), (35, 5954076), (36, 5788685), (42, 4961730), (45, 4630948), (60, 3473211), (63, 3307820), (70, 2977038), (84, 2480865), (90, 2315474), (105, 1984692), (126, 1653910), (140, 1488519), (180, 1157737), (210, 992346), (252, 826955), (315, 661564), (420, 496173), (630, 330782), (1260, 165391)]