1879627680

素因数分解:

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

素因数の和:20753

約数の個数: 240

約数和(自身を含む): 7581530880

約数和(自身を除く): 5701903200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 20719, 22680, 30240, 41438, 45360, 62157, 82876, 90720, 103595, 124314, 145033, 165752, 186471, 207190, 248628, 290066, 310785, 331504, 372942, 414380, 435099, 497256, 559413, 580132, 621570, 663008, 725165, 745884, 828760, 870198, 932355, 994512, 1118826, 1160264, 1243140, 1305297, 1450330, 1491768, 1657520, 1678239, 1740396, 1864710, 1989024, 2175495, 2237652, 2320528, 2486280, 2610594, 2797065, 2900660, 2983536, 3315040, 3356478, 3480792, 3729420, 3915891, 4350990, 4475304, 4641056, 4972560, 5221188, 5594130, 5801320, 5967072, 6526485, 6712956, 6961584, 7458840, 7831782, 8391195, 8701980, 8950608, 9945120, 10442376, 11188260, 11602640, 11747673, 13052970, 13425912, 13923168, 14917680, 15663564, 16782390, 17403960, 17901216, 19579455, 20884752, 22376520, 23205280, 23495346, 26105940, 26851824, 29835360, 31327128, 33564780, 34807920, 39158910, 41769504, 44753040, 46990692, 52211880, 53703648, 58738365, 62654256, 67129560, 69615840, 78317820, 89506080, 93981384, 104423760, 117476730, 125308512, 134259120, 156635640, 187962768, 208847520, 234953460, 268518240, 313271280, 375925536, 469906920, 626542560, 939813840, 1879627680]

約数ペア:

[(1, 1879627680), (2, 939813840), (3, 626542560), (4, 469906920), (5, 375925536), (6, 313271280), (7, 268518240), (8, 234953460), (9, 208847520), (10, 187962768), (12, 156635640), (14, 134259120), (15, 125308512), (16, 117476730), (18, 104423760), (20, 93981384), (21, 89506080), (24, 78317820), (27, 69615840), (28, 67129560), (30, 62654256), (32, 58738365), (35, 53703648), (36, 52211880), (40, 46990692), (42, 44753040), (45, 41769504), (48, 39158910), (54, 34807920), (56, 33564780), (60, 31327128), (63, 29835360), (70, 26851824), (72, 26105940), (80, 23495346), (81, 23205280), (84, 22376520), (90, 20884752), (96, 19579455), (105, 17901216), (108, 17403960), (112, 16782390), (120, 15663564), (126, 14917680), (135, 13923168), (140, 13425912), (144, 13052970), (160, 11747673), (162, 11602640), (168, 11188260), (180, 10442376), (189, 9945120), (210, 8950608), (216, 8701980), (224, 8391195), (240, 7831782), (252, 7458840), (270, 6961584), (280, 6712956), (288, 6526485), (315, 5967072), (324, 5801320), (336, 5594130), (360, 5221188), (378, 4972560), (405, 4641056), (420, 4475304), (432, 4350990), (480, 3915891), (504, 3729420), (540, 3480792), (560, 3356478), (567, 3315040), (630, 2983536), (648, 2900660), (672, 2797065), (720, 2610594), (756, 2486280), (810, 2320528), (840, 2237652), (864, 2175495), (945, 1989024), (1008, 1864710), (1080, 1740396), (1120, 1678239), (1134, 1657520), (1260, 1491768), (1296, 1450330), (1440, 1305297), (1512, 1243140), (1620, 1160264), (1680, 1118826), (1890, 994512), (2016, 932355), (2160, 870198), (2268, 828760), (2520, 745884), (2592, 725165), (2835, 663008), (3024, 621570), (3240, 580132), (3360, 559413), (3780, 497256), (4320, 435099), (4536, 414380), (5040, 372942), (5670, 331504), (6048, 310785), (6480, 290066), (7560, 248628), (9072, 207190), (10080, 186471), (11340, 165752), (12960, 145033), (15120, 124314), (18144, 103595), (20719, 90720), (22680, 82876), (30240, 62157), (41438, 45360)]