208847520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20747

約数の個数: 144

約数和(自身を含む): 814544640

約数和(自身を除く): 605697120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20719, 41438, 62157, 82876, 103595, 124314, 145033, 165752, 186471, 207190, 248628, 290066, 310785, 331504, 372942, 414380, 435099, 497256, 580132, 621570, 663008, 725165, 745884, 828760, 870198, 932355, 994512, 1160264, 1243140, 1305297, 1450330, 1491768, 1657520, 1740396, 1864710, 1989024, 2175495, 2320528, 2486280, 2610594, 2900660, 2983536, 3315040, 3480792, 3729420, 4350990, 4641056, 4972560, 5221188, 5801320, 5967072, 6526485, 6961584, 7458840, 8701980, 9945120, 10442376, 11602640, 13052970, 13923168, 14917680, 17403960, 20884752, 23205280, 26105940, 29835360, 34807920, 41769504, 52211880, 69615840, 104423760, 208847520]

約数ペア:

[(1, 208847520), (2, 104423760), (3, 69615840), (4, 52211880), (5, 41769504), (6, 34807920), (7, 29835360), (8, 26105940), (9, 23205280), (10, 20884752), (12, 17403960), (14, 14917680), (15, 13923168), (16, 13052970), (18, 11602640), (20, 10442376), (21, 9945120), (24, 8701980), (28, 7458840), (30, 6961584), (32, 6526485), (35, 5967072), (36, 5801320), (40, 5221188), (42, 4972560), (45, 4641056), (48, 4350990), (56, 3729420), (60, 3480792), (63, 3315040), (70, 2983536), (72, 2900660), (80, 2610594), (84, 2486280), (90, 2320528), (96, 2175495), (105, 1989024), (112, 1864710), (120, 1740396), (126, 1657520), (140, 1491768), (144, 1450330), (160, 1305297), (168, 1243140), (180, 1160264), (210, 994512), (224, 932355), (240, 870198), (252, 828760), (280, 745884), (288, 725165), (315, 663008), (336, 621570), (360, 580132), (420, 497256), (480, 435099), (504, 414380), (560, 372942), (630, 331504), (672, 310785), (720, 290066), (840, 248628), (1008, 207190), (1120, 186471), (1260, 165752), (1440, 145033), (1680, 124314), (2016, 103595), (2520, 82876), (3360, 62157), (5040, 41438), (10080, 20719)]