313271280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20748

約数の個数: 160

約数和(自身を含む): 1233254400

約数和(自身を除く): 919983120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20719, 41438, 62157, 82876, 103595, 124314, 145033, 165752, 186471, 207190, 248628, 290066, 310785, 331504, 372942, 414380, 435099, 497256, 559413, 580132, 621570, 725165, 745884, 828760, 870198, 932355, 994512, 1118826, 1160264, 1243140, 1305297, 1450330, 1491768, 1657520, 1740396, 1864710, 2175495, 2237652, 2320528, 2486280, 2610594, 2797065, 2900660, 2983536, 3480792, 3729420, 3915891, 4350990, 4475304, 4972560, 5221188, 5594130, 5801320, 6526485, 6961584, 7458840, 7831782, 8701980, 8950608, 10442376, 11188260, 11602640, 13052970, 14917680, 15663564, 17403960, 19579455, 20884752, 22376520, 26105940, 31327128, 34807920, 39158910, 44753040, 52211880, 62654256, 78317820, 104423760, 156635640, 313271280]

約数ペア:

[(1, 313271280), (2, 156635640), (3, 104423760), (4, 78317820), (5, 62654256), (6, 52211880), (7, 44753040), (8, 39158910), (9, 34807920), (10, 31327128), (12, 26105940), (14, 22376520), (15, 20884752), (16, 19579455), (18, 17403960), (20, 15663564), (21, 14917680), (24, 13052970), (27, 11602640), (28, 11188260), (30, 10442376), (35, 8950608), (36, 8701980), (40, 7831782), (42, 7458840), (45, 6961584), (48, 6526485), (54, 5801320), (56, 5594130), (60, 5221188), (63, 4972560), (70, 4475304), (72, 4350990), (80, 3915891), (84, 3729420), (90, 3480792), (105, 2983536), (108, 2900660), (112, 2797065), (120, 2610594), (126, 2486280), (135, 2320528), (140, 2237652), (144, 2175495), (168, 1864710), (180, 1740396), (189, 1657520), (210, 1491768), (216, 1450330), (240, 1305297), (252, 1243140), (270, 1160264), (280, 1118826), (315, 994512), (336, 932355), (360, 870198), (378, 828760), (420, 745884), (432, 725165), (504, 621570), (540, 580132), (560, 559413), (630, 497256), (720, 435099), (756, 414380), (840, 372942), (945, 331504), (1008, 310785), (1080, 290066), (1260, 248628), (1512, 207190), (1680, 186471), (1890, 165752), (2160, 145033), (2520, 124314), (3024, 103595), (3780, 82876), (5040, 62157), (7560, 41438), (15120, 20719)]