281312352

素因数分解:

$2^5\times 3^6\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 168

約数和(自身を含む): 859360320

約数和(自身を除く): 578047968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 93, 96, 108, 124, 144, 162, 186, 216, 243, 248, 279, 288, 324, 372, 389, 432, 486, 496, 558, 648, 729, 744, 778, 837, 864, 972, 992, 1116, 1167, 1296, 1458, 1488, 1556, 1674, 1944, 2232, 2334, 2511, 2592, 2916, 2976, 3112, 3348, 3501, 3888, 4464, 4668, 5022, 5832, 6224, 6696, 7002, 7533, 7776, 8928, 9336, 10044, 10503, 11664, 12059, 12448, 13392, 14004, 15066, 18672, 20088, 21006, 22599, 23328, 24118, 26784, 28008, 30132, 31509, 36177, 37344, 40176, 42012, 45198, 48236, 56016, 60264, 63018, 72354, 80352, 84024, 90396, 94527, 96472, 108531, 112032, 120528, 126036, 144708, 168048, 180792, 189054, 192944, 217062, 241056, 252072, 283581, 289416, 325593, 336096, 361584, 378108, 385888, 434124, 504144, 567162, 578832, 651186, 723168, 756216, 868248, 976779, 1008288, 1134324, 1157664, 1302372, 1512432, 1736496, 1953558, 2268648, 2604744, 2930337, 3024864, 3472992, 3907116, 4537296, 5209488, 5860674, 7814232, 8791011, 9074592, 10418976, 11721348, 15628464, 17582022, 23442696, 31256928, 35164044, 46885392, 70328088, 93770784, 140656176, 281312352]

約数ペア:

[(1, 281312352), (2, 140656176), (3, 93770784), (4, 70328088), (6, 46885392), (8, 35164044), (9, 31256928), (12, 23442696), (16, 17582022), (18, 15628464), (24, 11721348), (27, 10418976), (31, 9074592), (32, 8791011), (36, 7814232), (48, 5860674), (54, 5209488), (62, 4537296), (72, 3907116), (81, 3472992), (93, 3024864), (96, 2930337), (108, 2604744), (124, 2268648), (144, 1953558), (162, 1736496), (186, 1512432), (216, 1302372), (243, 1157664), (248, 1134324), (279, 1008288), (288, 976779), (324, 868248), (372, 756216), (389, 723168), (432, 651186), (486, 578832), (496, 567162), (558, 504144), (648, 434124), (729, 385888), (744, 378108), (778, 361584), (837, 336096), (864, 325593), (972, 289416), (992, 283581), (1116, 252072), (1167, 241056), (1296, 217062), (1458, 192944), (1488, 189054), (1556, 180792), (1674, 168048), (1944, 144708), (2232, 126036), (2334, 120528), (2511, 112032), (2592, 108531), (2916, 96472), (2976, 94527), (3112, 90396), (3348, 84024), (3501, 80352), (3888, 72354), (4464, 63018), (4668, 60264), (5022, 56016), (5832, 48236), (6224, 45198), (6696, 42012), (7002, 40176), (7533, 37344), (7776, 36177), (8928, 31509), (9336, 30132), (10044, 28008), (10503, 26784), (11664, 24118), (12059, 23328), (12448, 22599), (13392, 21006), (14004, 20088), (15066, 18672)]