263932620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:972

約数の個数: 144

約数和(自身を含む): 868734720

約数和(自身を除く): 604802100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 245, 294, 321, 420, 428, 490, 535, 588, 642, 735, 749, 839, 980, 1070, 1284, 1470, 1498, 1605, 1678, 2140, 2247, 2517, 2940, 2996, 3210, 3356, 3745, 4195, 4494, 5034, 5243, 5873, 6420, 7490, 8390, 8988, 10068, 10486, 11235, 11746, 12585, 14980, 15729, 16780, 17619, 20972, 22470, 23492, 25170, 26215, 29365, 31458, 35238, 41111, 44940, 50340, 52430, 58730, 62916, 70476, 78645, 82222, 88095, 89773, 104860, 117460, 123333, 157290, 164444, 176190, 179546, 205555, 246666, 269319, 314580, 352380, 359092, 411110, 448865, 493332, 538638, 616665, 628411, 822220, 897730, 1077276, 1233330, 1256822, 1346595, 1795460, 1885233, 2466660, 2513644, 2693190, 3142055, 3770466, 4398877, 5386380, 6284110, 7540932, 8797754, 9426165, 12568220, 13196631, 17595508, 18852330, 21994385, 26393262, 37704660, 43988770, 52786524, 65983155, 87977540, 131966310, 263932620]

約数ペア:

[(1, 263932620), (2, 131966310), (3, 87977540), (4, 65983155), (5, 52786524), (6, 43988770), (7, 37704660), (10, 26393262), (12, 21994385), (14, 18852330), (15, 17595508), (20, 13196631), (21, 12568220), (28, 9426165), (30, 8797754), (35, 7540932), (42, 6284110), (49, 5386380), (60, 4398877), (70, 3770466), (84, 3142055), (98, 2693190), (105, 2513644), (107, 2466660), (140, 1885233), (147, 1795460), (196, 1346595), (210, 1256822), (214, 1233330), (245, 1077276), (294, 897730), (321, 822220), (420, 628411), (428, 616665), (490, 538638), (535, 493332), (588, 448865), (642, 411110), (735, 359092), (749, 352380), (839, 314580), (980, 269319), (1070, 246666), (1284, 205555), (1470, 179546), (1498, 176190), (1605, 164444), (1678, 157290), (2140, 123333), (2247, 117460), (2517, 104860), (2940, 89773), (2996, 88095), (3210, 82222), (3356, 78645), (3745, 70476), (4195, 62916), (4494, 58730), (5034, 52430), (5243, 50340), (5873, 44940), (6420, 41111), (7490, 35238), (8390, 31458), (8988, 29365), (10068, 26215), (10486, 25170), (11235, 23492), (11746, 22470), (12585, 20972), (14980, 17619), (15729, 16780)]