215081568

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 180

約数和(自身を含む): 686344428

約数和(自身を除く): 471262860

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 169, 208, 216, 234, 288, 312, 324, 338, 351, 416, 432, 468, 491, 507, 624, 648, 676, 702, 864, 936, 982, 1014, 1053, 1248, 1296, 1352, 1404, 1473, 1521, 1872, 1964, 2028, 2106, 2592, 2704, 2808, 2946, 3042, 3744, 3928, 4056, 4212, 4419, 4563, 5408, 5616, 5892, 6084, 6383, 7856, 8112, 8424, 8838, 9126, 11232, 11784, 12168, 12766, 13257, 13689, 15712, 16224, 16848, 17676, 18252, 19149, 23568, 24336, 25532, 26514, 27378, 33696, 35352, 36504, 38298, 39771, 47136, 48672, 51064, 53028, 54756, 57447, 70704, 73008, 76596, 79542, 82979, 102128, 106056, 109512, 114894, 141408, 146016, 153192, 159084, 165958, 172341, 204256, 212112, 219024, 229788, 248937, 306384, 318168, 331916, 344682, 424224, 438048, 459576, 497874, 517023, 612768, 636336, 663832, 689364, 746811, 919152, 995748, 1034046, 1272672, 1327664, 1378728, 1493622, 1838304, 1991496, 2068092, 2240433, 2655328, 2757456, 2987244, 3982992, 4136184, 4480866, 5514912, 5974488, 6721299, 7965984, 8272368, 8961732, 11948976, 13442598, 16544736, 17923464, 23897952, 26885196, 35846928, 53770392, 71693856, 107540784, 215081568]

約数ペア:

[(1, 215081568), (2, 107540784), (3, 71693856), (4, 53770392), (6, 35846928), (8, 26885196), (9, 23897952), (12, 17923464), (13, 16544736), (16, 13442598), (18, 11948976), (24, 8961732), (26, 8272368), (27, 7965984), (32, 6721299), (36, 5974488), (39, 5514912), (48, 4480866), (52, 4136184), (54, 3982992), (72, 2987244), (78, 2757456), (81, 2655328), (96, 2240433), (104, 2068092), (108, 1991496), (117, 1838304), (144, 1493622), (156, 1378728), (162, 1327664), (169, 1272672), (208, 1034046), (216, 995748), (234, 919152), (288, 746811), (312, 689364), (324, 663832), (338, 636336), (351, 612768), (416, 517023), (432, 497874), (468, 459576), (491, 438048), (507, 424224), (624, 344682), (648, 331916), (676, 318168), (702, 306384), (864, 248937), (936, 229788), (982, 219024), (1014, 212112), (1053, 204256), (1248, 172341), (1296, 165958), (1352, 159084), (1404, 153192), (1473, 146016), (1521, 141408), (1872, 114894), (1964, 109512), (2028, 106056), (2106, 102128), (2592, 82979), (2704, 79542), (2808, 76596), (2946, 73008), (3042, 70704), (3744, 57447), (3928, 54756), (4056, 53028), (4212, 51064), (4419, 48672), (4563, 47136), (5408, 39771), (5616, 38298), (5892, 36504), (6084, 35352), (6383, 33696), (7856, 27378), (8112, 26514), (8424, 25532), (8838, 24336), (9126, 23568), (11232, 19149), (11784, 18252), (12168, 17676), (12766, 16848), (13257, 16224), (13689, 15712)]