128839040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18301}}^1$

素因数の和:18331

約数の個数: 64

約数和(自身を含む): 336024720

約数和(自身を除く): 207185680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 18301, 36602, 73204, 91505, 146408, 183010, 201311, 292816, 366020, 402622, 585632, 732040, 805244, 1006555, 1171264, 1464080, 1610488, 2013110, 2342528, 2928160, 3220976, 4026220, 5856320, 6441952, 8052440, 11712640, 12883904, 16104880, 25767808, 32209760, 64419520, 128839040]

約数ペア:

[(1, 128839040), (2, 64419520), (4, 32209760), (5, 25767808), (8, 16104880), (10, 12883904), (11, 11712640), (16, 8052440), (20, 6441952), (22, 5856320), (32, 4026220), (40, 3220976), (44, 2928160), (55, 2342528), (64, 2013110), (80, 1610488), (88, 1464080), (110, 1171264), (128, 1006555), (160, 805244), (176, 732040), (220, 585632), (320, 402622), (352, 366020), (440, 292816), (640, 201311), (704, 183010), (880, 146408), (1408, 91505), (1760, 73204), (3520, 36602), (7040, 18301)]