257945310

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 240

約数和(自身を含む): 827308944

約数和(自身を除く): 569363634

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 67, 70, 81, 90, 97, 98, 105, 126, 134, 135, 147, 162, 189, 194, 201, 210, 245, 270, 291, 294, 315, 335, 378, 402, 405, 441, 469, 485, 490, 567, 582, 603, 630, 670, 679, 735, 810, 873, 882, 938, 945, 970, 1005, 1134, 1206, 1323, 1358, 1407, 1455, 1470, 1746, 1809, 1890, 2010, 2037, 2205, 2345, 2619, 2646, 2814, 2835, 2910, 3015, 3283, 3395, 3618, 3969, 4074, 4221, 4365, 4410, 4690, 4753, 5238, 5427, 5670, 6030, 6111, 6499, 6566, 6615, 6790, 7035, 7857, 7938, 8442, 8730, 9045, 9506, 9849, 10185, 10854, 12222, 12663, 12998, 13095, 13230, 14070, 14259, 15714, 16415, 18090, 18333, 19497, 19698, 19845, 20370, 21105, 23765, 25326, 26190, 27135, 28518, 29547, 30555, 32495, 32830, 36666, 37989, 38994, 39285, 39690, 42210, 42777, 45493, 47530, 49245, 54270, 54999, 58491, 59094, 61110, 63315, 64990, 71295, 75978, 78570, 85554, 88641, 90986, 91665, 97485, 98490, 109998, 116982, 126630, 128331, 136479, 142590, 147735, 175473, 177282, 183330, 189945, 194970, 213885, 227465, 256662, 265923, 272958, 274995, 292455, 295470, 318451, 350946, 379890, 384993, 409437, 427770, 443205, 454930, 526419, 531846, 549990, 584910, 636902, 641655, 682395, 769986, 818874, 877365, 886410, 955353, 1052838, 1228311, 1283310, 1329615, 1364790, 1592255, 1754730, 1910706, 1924965, 2047185, 2456622, 2632095, 2659230, 2866059, 3184510, 3684933, 3849930, 4094370, 4776765, 5264190, 5732118, 6141555, 7369866, 8598177, 9553530, 12283110, 14330295, 17196354, 18424665, 25794531, 28660590, 36849330, 42990885, 51589062, 85981770, 128972655, 257945310]

約数ペア:

[(1, 257945310), (2, 128972655), (3, 85981770), (5, 51589062), (6, 42990885), (7, 36849330), (9, 28660590), (10, 25794531), (14, 18424665), (15, 17196354), (18, 14330295), (21, 12283110), (27, 9553530), (30, 8598177), (35, 7369866), (42, 6141555), (45, 5732118), (49, 5264190), (54, 4776765), (63, 4094370), (67, 3849930), (70, 3684933), (81, 3184510), (90, 2866059), (97, 2659230), (98, 2632095), (105, 2456622), (126, 2047185), (134, 1924965), (135, 1910706), (147, 1754730), (162, 1592255), (189, 1364790), (194, 1329615), (201, 1283310), (210, 1228311), (245, 1052838), (270, 955353), (291, 886410), (294, 877365), (315, 818874), (335, 769986), (378, 682395), (402, 641655), (405, 636902), (441, 584910), (469, 549990), (485, 531846), (490, 526419), (567, 454930), (582, 443205), (603, 427770), (630, 409437), (670, 384993), (679, 379890), (735, 350946), (810, 318451), (873, 295470), (882, 292455), (938, 274995), (945, 272958), (970, 265923), (1005, 256662), (1134, 227465), (1206, 213885), (1323, 194970), (1358, 189945), (1407, 183330), (1455, 177282), (1470, 175473), (1746, 147735), (1809, 142590), (1890, 136479), (2010, 128331), (2037, 126630), (2205, 116982), (2345, 109998), (2619, 98490), (2646, 97485), (2814, 91665), (2835, 90986), (2910, 88641), (3015, 85554), (3283, 78570), (3395, 75978), (3618, 71295), (3969, 64990), (4074, 63315), (4221, 61110), (4365, 59094), (4410, 58491), (4690, 54999), (4753, 54270), (5238, 49245), (5427, 47530), (5670, 45493), (6030, 42777), (6111, 42210), (6499, 39690), (6566, 39285), (6615, 38994), (6790, 37989), (7035, 36666), (7857, 32830), (7938, 32495), (8442, 30555), (8730, 29547), (9045, 28518), (9506, 27135), (9849, 26190), (10185, 25326), (10854, 23765), (12222, 21105), (12663, 20370), (12998, 19845), (13095, 19698), (13230, 19497), (14070, 18333), (14259, 18090), (15714, 16415)]