31221567720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{4093}}^1$

素因数の和:5129

約数の個数: 256

約数和(自身を含む): 119086272000

約数和(自身を除く): 87864704280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1009, 1080, 1260, 1512, 1890, 2018, 2520, 3027, 3780, 4036, 4093, 5045, 6054, 7063, 7560, 8072, 8186, 9081, 10090, 12108, 12279, 14126, 15135, 16372, 18162, 20180, 20465, 21189, 24216, 24558, 27243, 28252, 28651, 30270, 32744, 35315, 36324, 36837, 40360, 40930, 42378, 45405, 49116, 54486, 56504, 57302, 60540, 61395, 63567, 70630, 72648, 73674, 81860, 84756, 85953, 90810, 98232, 105945, 108972, 110511, 114604, 121080, 122790, 127134, 136215, 141260, 143255, 147348, 163720, 169512, 171906, 181620, 184185, 190701, 211890, 217944, 221022, 229208, 245580, 254268, 257859, 272430, 282520, 286510, 294696, 317835, 343812, 363240, 368370, 381402, 423780, 429765, 442044, 491160, 508536, 515718, 544860, 552555, 573020, 635670, 687624, 736740, 762804, 773577, 847560, 859530, 884088, 953505, 1031436, 1089720, 1105110, 1146040, 1271340, 1289295, 1473480, 1525608, 1547154, 1719060, 1907010, 2062872, 2210220, 2542680, 2578590, 3094308, 3438120, 3814020, 3867885, 4129837, 4420440, 5157180, 6188616, 7628040, 7735770, 8259674, 10314360, 12389511, 15471540, 16519348, 20649185, 24779022, 28908859, 30943080, 33038696, 37168533, 41298370, 49558044, 57817718, 61947555, 74337066, 82596740, 86726577, 99116088, 111505599, 115635436, 123895110, 144544295, 148674132, 165193480, 173453154, 185842665, 223011198, 231270872, 247790220, 260179731, 289088590, 297348264, 346906308, 371685330, 433632885, 446022396, 495580440, 520359462, 557527995, 578177180, 693812616, 743370660, 780539193, 867265770, 892044792, 1040718924, 1115055990, 1156354360, 1300898655, 1486741320, 1561078386, 1734531540, 2081437848, 2230111980, 2601797310, 3122156772, 3469063080, 3902695965, 4460223960, 5203594620, 6244313544, 7805391930, 10407189240, 15610783860, 31221567720]

約数ペア:

[(1, 31221567720), (2, 15610783860), (3, 10407189240), (4, 7805391930), (5, 6244313544), (6, 5203594620), (7, 4460223960), (8, 3902695965), (9, 3469063080), (10, 3122156772), (12, 2601797310), (14, 2230111980), (15, 2081437848), (18, 1734531540), (20, 1561078386), (21, 1486741320), (24, 1300898655), (27, 1156354360), (28, 1115055990), (30, 1040718924), (35, 892044792), (36, 867265770), (40, 780539193), (42, 743370660), (45, 693812616), (54, 578177180), (56, 557527995), (60, 520359462), (63, 495580440), (70, 446022396), (72, 433632885), (84, 371685330), (90, 346906308), (105, 297348264), (108, 289088590), (120, 260179731), (126, 247790220), (135, 231270872), (140, 223011198), (168, 185842665), (180, 173453154), (189, 165193480), (210, 148674132), (216, 144544295), (252, 123895110), (270, 115635436), (280, 111505599), (315, 99116088), (360, 86726577), (378, 82596740), (420, 74337066), (504, 61947555), (540, 57817718), (630, 49558044), (756, 41298370), (840, 37168533), (945, 33038696), (1009, 30943080), (1080, 28908859), (1260, 24779022), (1512, 20649185), (1890, 16519348), (2018, 15471540), (2520, 12389511), (3027, 10314360), (3780, 8259674), (4036, 7735770), (4093, 7628040), (5045, 6188616), (6054, 5157180), (7063, 4420440), (7560, 4129837), (8072, 3867885), (8186, 3814020), (9081, 3438120), (10090, 3094308), (12108, 2578590), (12279, 2542680), (14126, 2210220), (15135, 2062872), (16372, 1907010), (18162, 1719060), (20180, 1547154), (20465, 1525608), (21189, 1473480), (24216, 1289295), (24558, 1271340), (27243, 1146040), (28252, 1105110), (28651, 1089720), (30270, 1031436), (32744, 953505), (35315, 884088), (36324, 859530), (36837, 847560), (40360, 773577), (40930, 762804), (42378, 736740), (45405, 687624), (49116, 635670), (54486, 573020), (56504, 552555), (57302, 544860), (60540, 515718), (61395, 508536), (63567, 491160), (70630, 442044), (72648, 429765), (73674, 423780), (81860, 381402), (84756, 368370), (85953, 363240), (90810, 343812), (98232, 317835), (105945, 294696), (108972, 286510), (110511, 282520), (114604, 272430), (121080, 257859), (122790, 254268), (127134, 245580), (136215, 229208), (141260, 221022), (143255, 217944), (147348, 211890), (163720, 190701), (169512, 184185), (171906, 181620)]