681481080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:963

約数の個数: 256

約数和(自身を含む): 2623104000

約数和(自身を除く): 1941622920

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, 109, 120, 126, 135, 140, 168, 180, 189, 210, 216, 218, 252, 270, 280, 315, 327, 360, 378, 420, 436, 504, 540, 545, 630, 654, 756, 763, 827, 840, 872, 945, 981, 1080, 1090, 1260, 1308, 1512, 1526, 1635, 1654, 1890, 1962, 2180, 2289, 2481, 2520, 2616, 2943, 3052, 3270, 3308, 3780, 3815, 3924, 4135, 4360, 4578, 4905, 4962, 5789, 5886, 6104, 6540, 6616, 6867, 7443, 7560, 7630, 7848, 8270, 9156, 9810, 9924, 11445, 11578, 11772, 12405, 13080, 13734, 14715, 14886, 15260, 16540, 17367, 18312, 19620, 19848, 20601, 22329, 22890, 23156, 23544, 24810, 27468, 28945, 29430, 29772, 30520, 33080, 34335, 34734, 37215, 39240, 41202, 44658, 45780, 46312, 49620, 52101, 54936, 57890, 58860, 59544, 68670, 69468, 74430, 82404, 86835, 89316, 90143, 91560, 99240, 103005, 104202, 111645, 115780, 117720, 137340, 138936, 148860, 156303, 164808, 173670, 178632, 180286, 206010, 208404, 223290, 231560, 260505, 270429, 274680, 297720, 312606, 347340, 360572, 412020, 416808, 446580, 450715, 521010, 540858, 625212, 631001, 694680, 721144, 781515, 811287, 824040, 893160, 901430, 1042020, 1081716, 1250424, 1262002, 1352145, 1563030, 1622574, 1802860, 1893003, 2084040, 2163432, 2433861, 2524004, 2704290, 3126060, 3155005, 3245148, 3605720, 3786006, 4056435, 4867722, 5048008, 5408580, 5679009, 6252120, 6310010, 6490296, 7572012, 8112870, 9465015, 9735444, 10817160, 11358018, 12169305, 12620020, 15144024, 16225740, 17037027, 18930030, 19470888, 22716036, 24338610, 25240040, 28395045, 32451480, 34074054, 37860060, 45432072, 48677220, 56790090, 68148108, 75720120, 85185135, 97354440, 113580180, 136296216, 170370270, 227160360, 340740540, 681481080]

約数ペア:

[(1, 681481080), (2, 340740540), (3, 227160360), (4, 170370270), (5, 136296216), (6, 113580180), (7, 97354440), (8, 85185135), (9, 75720120), (10, 68148108), (12, 56790090), (14, 48677220), (15, 45432072), (18, 37860060), (20, 34074054), (21, 32451480), (24, 28395045), (27, 25240040), (28, 24338610), (30, 22716036), (35, 19470888), (36, 18930030), (40, 17037027), (42, 16225740), (45, 15144024), (54, 12620020), (56, 12169305), (60, 11358018), (63, 10817160), (70, 9735444), (72, 9465015), (84, 8112870), (90, 7572012), (105, 6490296), (108, 6310010), (109, 6252120), (120, 5679009), (126, 5408580), (135, 5048008), (140, 4867722), (168, 4056435), (180, 3786006), (189, 3605720), (210, 3245148), (216, 3155005), (218, 3126060), (252, 2704290), (270, 2524004), (280, 2433861), (315, 2163432), (327, 2084040), (360, 1893003), (378, 1802860), (420, 1622574), (436, 1563030), (504, 1352145), (540, 1262002), (545, 1250424), (630, 1081716), (654, 1042020), (756, 901430), (763, 893160), (827, 824040), (840, 811287), (872, 781515), (945, 721144), (981, 694680), (1080, 631001), (1090, 625212), (1260, 540858), (1308, 521010), (1512, 450715), (1526, 446580), (1635, 416808), (1654, 412020), (1890, 360572), (1962, 347340), (2180, 312606), (2289, 297720), (2481, 274680), (2520, 270429), (2616, 260505), (2943, 231560), (3052, 223290), (3270, 208404), (3308, 206010), (3780, 180286), (3815, 178632), (3924, 173670), (4135, 164808), (4360, 156303), (4578, 148860), (4905, 138936), (4962, 137340), (5789, 117720), (5886, 115780), (6104, 111645), (6540, 104202), (6616, 103005), (6867, 99240), (7443, 91560), (7560, 90143), (7630, 89316), (7848, 86835), (8270, 82404), (9156, 74430), (9810, 69468), (9924, 68670), (11445, 59544), (11578, 58860), (11772, 57890), (12405, 54936), (13080, 52101), (13734, 49620), (14715, 46312), (14886, 45780), (15260, 44658), (16540, 41202), (17367, 39240), (18312, 37215), (19620, 34734), (19848, 34335), (20601, 33080), (22329, 30520), (22890, 29772), (23156, 29430), (23544, 28945), (24810, 27468)]