68130720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:785

約数の個数: 240

約数和(自身を含む): 275159808

約数和(自身を除く): 207029088

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, 751, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1502, 1512, 1620, 1680, 1890, 2016, 2160, 2253, 2268, 2520, 2592, 2835, 3004, 3024, 3240, 3360, 3755, 3780, 4320, 4506, 4536, 5040, 5257, 5670, 6008, 6048, 6480, 6759, 7510, 7560, 9012, 9072, 10080, 10514, 11265, 11340, 12016, 12960, 13518, 15020, 15120, 15771, 18024, 18144, 20277, 21028, 22530, 22680, 24032, 26285, 27036, 30040, 30240, 31542, 33795, 36048, 40554, 42056, 45060, 45360, 47313, 52570, 54072, 60080, 60831, 63084, 67590, 72096, 78855, 81108, 84112, 90120, 90720, 94626, 101385, 105140, 108144, 120160, 121662, 126168, 135180, 141939, 157710, 162216, 168224, 180240, 189252, 202770, 210280, 216288, 236565, 243324, 252336, 270360, 283878, 304155, 315420, 324432, 360480, 378504, 405540, 420560, 425817, 473130, 486648, 504672, 540720, 567756, 608310, 630840, 648864, 709695, 757008, 811080, 841120, 851634, 946260, 973296, 1081440, 1135512, 1216620, 1261680, 1419390, 1514016, 1622160, 1703268, 1892520, 1946592, 2129085, 2271024, 2433240, 2523360, 2838780, 3244320, 3406536, 3785040, 4258170, 4542048, 4866480, 5677560, 6813072, 7570080, 8516340, 9732960, 11355120, 13626144, 17032680, 22710240, 34065360, 68130720]

約数ペア:

[(1, 68130720), (2, 34065360), (3, 22710240), (4, 17032680), (5, 13626144), (6, 11355120), (7, 9732960), (8, 8516340), (9, 7570080), (10, 6813072), (12, 5677560), (14, 4866480), (15, 4542048), (16, 4258170), (18, 3785040), (20, 3406536), (21, 3244320), (24, 2838780), (27, 2523360), (28, 2433240), (30, 2271024), (32, 2129085), (35, 1946592), (36, 1892520), (40, 1703268), (42, 1622160), (45, 1514016), (48, 1419390), (54, 1261680), (56, 1216620), (60, 1135512), (63, 1081440), (70, 973296), (72, 946260), (80, 851634), (81, 841120), (84, 811080), (90, 757008), (96, 709695), (105, 648864), (108, 630840), (112, 608310), (120, 567756), (126, 540720), (135, 504672), (140, 486648), (144, 473130), (160, 425817), (162, 420560), (168, 405540), (180, 378504), (189, 360480), (210, 324432), (216, 315420), (224, 304155), (240, 283878), (252, 270360), (270, 252336), (280, 243324), (288, 236565), (315, 216288), (324, 210280), (336, 202770), (360, 189252), (378, 180240), (405, 168224), (420, 162216), (432, 157710), (480, 141939), (504, 135180), (540, 126168), (560, 121662), (567, 120160), (630, 108144), (648, 105140), (672, 101385), (720, 94626), (751, 90720), (756, 90120), (810, 84112), (840, 81108), (864, 78855), (945, 72096), (1008, 67590), (1080, 63084), (1120, 60831), (1134, 60080), (1260, 54072), (1296, 52570), (1440, 47313), (1502, 45360), (1512, 45060), (1620, 42056), (1680, 40554), (1890, 36048), (2016, 33795), (2160, 31542), (2253, 30240), (2268, 30040), (2520, 27036), (2592, 26285), (2835, 24032), (3004, 22680), (3024, 22530), (3240, 21028), (3360, 20277), (3755, 18144), (3780, 18024), (4320, 15771), (4506, 15120), (4536, 15020), (5040, 13518), (5257, 12960), (5670, 12016), (6008, 11340), (6048, 11265), (6480, 10514), (6759, 10080), (7510, 9072), (7560, 9012)]