164168320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 423014400

約数和(自身を除く): 258846080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 79, 80, 85, 128, 136, 158, 160, 170, 191, 272, 316, 320, 340, 382, 395, 544, 632, 640, 680, 764, 790, 955, 1088, 1264, 1343, 1360, 1528, 1580, 1910, 2176, 2528, 2686, 2720, 3056, 3160, 3247, 3820, 5056, 5372, 5440, 6112, 6320, 6494, 6715, 7640, 10112, 10744, 10880, 12224, 12640, 12988, 13430, 15089, 15280, 16235, 21488, 24448, 25280, 25976, 26860, 30178, 30560, 32470, 42976, 50560, 51952, 53720, 60356, 61120, 64940, 75445, 85952, 103904, 107440, 120712, 122240, 129880, 150890, 171904, 207808, 214880, 241424, 256513, 259760, 301780, 415616, 429760, 482848, 513026, 519520, 603560, 859520, 965696, 1026052, 1039040, 1207120, 1282565, 1931392, 2052104, 2078080, 2414240, 2565130, 4104208, 4828480, 5130260, 8208416, 9656960, 10260520, 16416832, 20521040, 32833664, 41042080, 82084160, 164168320]

約数ペア:

[(1, 164168320), (2, 82084160), (4, 41042080), (5, 32833664), (8, 20521040), (10, 16416832), (16, 10260520), (17, 9656960), (20, 8208416), (32, 5130260), (34, 4828480), (40, 4104208), (64, 2565130), (68, 2414240), (79, 2078080), (80, 2052104), (85, 1931392), (128, 1282565), (136, 1207120), (158, 1039040), (160, 1026052), (170, 965696), (191, 859520), (272, 603560), (316, 519520), (320, 513026), (340, 482848), (382, 429760), (395, 415616), (544, 301780), (632, 259760), (640, 256513), (680, 241424), (764, 214880), (790, 207808), (955, 171904), (1088, 150890), (1264, 129880), (1343, 122240), (1360, 120712), (1528, 107440), (1580, 103904), (1910, 85952), (2176, 75445), (2528, 64940), (2686, 61120), (2720, 60356), (3056, 53720), (3160, 51952), (3247, 50560), (3820, 42976), (5056, 32470), (5372, 30560), (5440, 30178), (6112, 26860), (6320, 25976), (6494, 25280), (6715, 24448), (7640, 21488), (10112, 16235), (10744, 15280), (10880, 15089), (12224, 13430), (12640, 12988)]