257453712

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:701

約数の個数: 120

約数和(自身を含む): 767763360

約数和(自身を除く): 510309648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 251, 272, 306, 408, 419, 502, 612, 753, 816, 838, 1004, 1224, 1257, 1506, 1676, 2008, 2259, 2448, 2514, 3012, 3352, 3771, 4016, 4267, 4518, 5028, 6024, 6704, 7123, 7542, 8534, 9036, 10056, 12048, 12801, 14246, 15084, 17068, 18072, 20112, 21369, 25602, 28492, 30168, 34136, 36144, 38403, 42738, 51204, 56984, 60336, 64107, 68272, 76806, 85476, 102408, 105169, 113968, 128214, 153612, 170952, 204816, 210338, 256428, 307224, 315507, 341904, 420676, 512856, 614448, 631014, 841352, 946521, 1025712, 1262028, 1682704, 1787873, 1893042, 2524056, 3575746, 3786084, 5048112, 5363619, 7151492, 7572168, 10727238, 14302984, 15144336, 16090857, 21454476, 28605968, 32181714, 42908952, 64363428, 85817904, 128726856, 257453712]

約数ペア:

[(1, 257453712), (2, 128726856), (3, 85817904), (4, 64363428), (6, 42908952), (8, 32181714), (9, 28605968), (12, 21454476), (16, 16090857), (17, 15144336), (18, 14302984), (24, 10727238), (34, 7572168), (36, 7151492), (48, 5363619), (51, 5048112), (68, 3786084), (72, 3575746), (102, 2524056), (136, 1893042), (144, 1787873), (153, 1682704), (204, 1262028), (251, 1025712), (272, 946521), (306, 841352), (408, 631014), (419, 614448), (502, 512856), (612, 420676), (753, 341904), (816, 315507), (838, 307224), (1004, 256428), (1224, 210338), (1257, 204816), (1506, 170952), (1676, 153612), (2008, 128214), (2259, 113968), (2448, 105169), (2514, 102408), (3012, 85476), (3352, 76806), (3771, 68272), (4016, 64107), (4267, 60336), (4518, 56984), (5028, 51204), (6024, 42738), (6704, 38403), (7123, 36144), (7542, 34136), (8534, 30168), (9036, 28492), (10056, 25602), (12048, 21369), (12801, 20112), (14246, 18072), (15084, 17068)]