51413120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 137332800

約数和(自身を除く): 85919680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 109, 110, 128, 134, 160, 176, 218, 220, 268, 320, 335, 352, 436, 440, 536, 545, 640, 670, 704, 737, 872, 880, 1072, 1090, 1199, 1340, 1408, 1474, 1744, 1760, 2144, 2180, 2398, 2680, 2948, 3488, 3520, 3685, 4288, 4360, 4796, 5360, 5896, 5995, 6976, 7040, 7303, 7370, 8576, 8720, 9592, 10720, 11792, 11990, 13952, 14606, 14740, 17440, 19184, 21440, 23584, 23980, 29212, 29480, 34880, 36515, 38368, 42880, 47168, 47960, 58424, 58960, 69760, 73030, 76736, 80333, 94336, 95920, 116848, 117920, 146060, 153472, 160666, 191840, 233696, 235840, 292120, 321332, 383680, 401665, 467392, 471680, 584240, 642664, 767360, 803330, 934784, 1168480, 1285328, 1606660, 2336960, 2570656, 3213320, 4673920, 5141312, 6426640, 10282624, 12853280, 25706560, 51413120]

約数ペア:

[(1, 51413120), (2, 25706560), (4, 12853280), (5, 10282624), (8, 6426640), (10, 5141312), (11, 4673920), (16, 3213320), (20, 2570656), (22, 2336960), (32, 1606660), (40, 1285328), (44, 1168480), (55, 934784), (64, 803330), (67, 767360), (80, 642664), (88, 584240), (109, 471680), (110, 467392), (128, 401665), (134, 383680), (160, 321332), (176, 292120), (218, 235840), (220, 233696), (268, 191840), (320, 160666), (335, 153472), (352, 146060), (436, 117920), (440, 116848), (536, 95920), (545, 94336), (640, 80333), (670, 76736), (704, 73030), (737, 69760), (872, 58960), (880, 58424), (1072, 47960), (1090, 47168), (1199, 42880), (1340, 38368), (1408, 36515), (1474, 34880), (1744, 29480), (1760, 29212), (2144, 23980), (2180, 23584), (2398, 21440), (2680, 19184), (2948, 17440), (3488, 14740), (3520, 14606), (3685, 13952), (4288, 11990), (4360, 11792), (4796, 10720), (5360, 9592), (5896, 8720), (5995, 8576), (6976, 7370), (7040, 7303)]