164773280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21017}}^1$

素因数の和:21046

約数の個数: 72

約数和(自身を含む): 452853828

約数和(自身を除く): 288080548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21017, 42034, 84068, 105085, 147119, 168136, 210170, 294238, 336272, 420340, 588476, 672544, 735595, 840680, 1029833, 1176952, 1471190, 1681360, 2059666, 2353904, 2942380, 3362720, 4119332, 4707808, 5149165, 5884760, 8238664, 10298330, 11769520, 16477328, 20596660, 23539040, 32954656, 41193320, 82386640, 164773280]

約数ペア:

[(1, 164773280), (2, 82386640), (4, 41193320), (5, 32954656), (7, 23539040), (8, 20596660), (10, 16477328), (14, 11769520), (16, 10298330), (20, 8238664), (28, 5884760), (32, 5149165), (35, 4707808), (40, 4119332), (49, 3362720), (56, 2942380), (70, 2353904), (80, 2059666), (98, 1681360), (112, 1471190), (140, 1176952), (160, 1029833), (196, 840680), (224, 735595), (245, 672544), (280, 588476), (392, 420340), (490, 336272), (560, 294238), (784, 210170), (980, 168136), (1120, 147119), (1568, 105085), (1960, 84068), (3920, 42034), (7840, 21017)]