258375680

素因数分解:

$2^{15}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 660592800

約数和(自身を除く): 402217120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 83, 95, 128, 152, 160, 166, 190, 256, 304, 320, 332, 380, 415, 512, 608, 640, 664, 760, 830, 1024, 1216, 1280, 1328, 1520, 1577, 1660, 2048, 2432, 2560, 2656, 3040, 3154, 3320, 4096, 4864, 5120, 5312, 6080, 6308, 6640, 7885, 8192, 9728, 10240, 10624, 12160, 12616, 13280, 15770, 16384, 19456, 20480, 21248, 24320, 25232, 26560, 31540, 32768, 38912, 40960, 42496, 48640, 50464, 53120, 63080, 77824, 81920, 84992, 97280, 100928, 106240, 126160, 155648, 163840, 169984, 194560, 201856, 212480, 252320, 311296, 339968, 389120, 403712, 424960, 504640, 622592, 679936, 778240, 807424, 849920, 1009280, 1359872, 1556480, 1614848, 1699840, 2018560, 2719744, 3112960, 3229696, 3399680, 4037120, 6459392, 6799360, 8074240, 12918784, 13598720, 16148480, 25837568, 32296960, 51675136, 64593920, 129187840, 258375680]

約数ペア:

[(1, 258375680), (2, 129187840), (4, 64593920), (5, 51675136), (8, 32296960), (10, 25837568), (16, 16148480), (19, 13598720), (20, 12918784), (32, 8074240), (38, 6799360), (40, 6459392), (64, 4037120), (76, 3399680), (80, 3229696), (83, 3112960), (95, 2719744), (128, 2018560), (152, 1699840), (160, 1614848), (166, 1556480), (190, 1359872), (256, 1009280), (304, 849920), (320, 807424), (332, 778240), (380, 679936), (415, 622592), (512, 504640), (608, 424960), (640, 403712), (664, 389120), (760, 339968), (830, 311296), (1024, 252320), (1216, 212480), (1280, 201856), (1328, 194560), (1520, 169984), (1577, 163840), (1660, 155648), (2048, 126160), (2432, 106240), (2560, 100928), (2656, 97280), (3040, 84992), (3154, 81920), (3320, 77824), (4096, 63080), (4864, 53120), (5120, 50464), (5312, 48640), (6080, 42496), (6308, 40960), (6640, 38912), (7885, 32768), (8192, 31540), (9728, 26560), (10240, 25232), (10624, 24320), (12160, 21248), (12616, 20480), (13280, 19456), (15770, 16384)]