257665968

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:776

約数の個数: 160

約数和(自身を含む): 852723200

約数和(自身を除く): 595057232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 139, 144, 168, 189, 216, 252, 278, 336, 378, 417, 432, 504, 556, 613, 756, 834, 973, 1008, 1112, 1226, 1251, 1512, 1668, 1839, 1946, 2224, 2452, 2502, 2919, 3024, 3336, 3678, 3753, 3892, 4291, 4904, 5004, 5517, 5838, 6672, 7356, 7506, 7784, 8582, 8757, 9808, 10008, 11034, 11676, 12873, 14712, 15012, 15568, 16551, 17164, 17514, 20016, 22068, 23352, 25746, 26271, 29424, 30024, 33102, 34328, 35028, 38619, 44136, 46704, 51492, 52542, 60048, 66204, 68656, 70056, 77238, 85207, 88272, 102984, 105084, 115857, 132408, 140112, 154476, 170414, 205968, 210168, 231714, 255621, 264816, 308952, 340828, 420336, 463428, 511242, 596449, 617904, 681656, 766863, 926856, 1022484, 1192898, 1363312, 1533726, 1789347, 1853712, 2044968, 2300589, 2385796, 3067452, 3578694, 4089936, 4601178, 4771592, 5368041, 6134904, 7157388, 9202356, 9543184, 10736082, 12269808, 14314776, 16104123, 18404712, 21472164, 28629552, 32208246, 36809424, 42944328, 64416492, 85888656, 128832984, 257665968]

約数ペア:

[(1, 257665968), (2, 128832984), (3, 85888656), (4, 64416492), (6, 42944328), (7, 36809424), (8, 32208246), (9, 28629552), (12, 21472164), (14, 18404712), (16, 16104123), (18, 14314776), (21, 12269808), (24, 10736082), (27, 9543184), (28, 9202356), (36, 7157388), (42, 6134904), (48, 5368041), (54, 4771592), (56, 4601178), (63, 4089936), (72, 3578694), (84, 3067452), (108, 2385796), (112, 2300589), (126, 2044968), (139, 1853712), (144, 1789347), (168, 1533726), (189, 1363312), (216, 1192898), (252, 1022484), (278, 926856), (336, 766863), (378, 681656), (417, 617904), (432, 596449), (504, 511242), (556, 463428), (613, 420336), (756, 340828), (834, 308952), (973, 264816), (1008, 255621), (1112, 231714), (1226, 210168), (1251, 205968), (1512, 170414), (1668, 154476), (1839, 140112), (1946, 132408), (2224, 115857), (2452, 105084), (2502, 102984), (2919, 88272), (3024, 85207), (3336, 77238), (3678, 70056), (3753, 68656), (3892, 66204), (4291, 60048), (4904, 52542), (5004, 51492), (5517, 46704), (5838, 44136), (6672, 38619), (7356, 35028), (7506, 34328), (7784, 33102), (8582, 30024), (8757, 29424), (9808, 26271), (10008, 25746), (11034, 23352), (11676, 22068), (12873, 20016), (14712, 17514), (15012, 17164), (15568, 16551)]