128921184

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{63949}}^1$

素因数の和:63972

約数の個数: 72

約数和(自身を含む): 419000400

約数和(自身を除く): 290079216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 63949, 127898, 191847, 255796, 383694, 447643, 511592, 575541, 767388, 895286, 1023184, 1151082, 1342929, 1534776, 1790572, 2046368, 2302164, 2685858, 3069552, 3581144, 4028787, 4604328, 5371716, 6139104, 7162288, 8057574, 9208656, 10743432, 14324576, 16115148, 18417312, 21486864, 32230296, 42973728, 64460592, 128921184]

約数ペア:

[(1, 128921184), (2, 64460592), (3, 42973728), (4, 32230296), (6, 21486864), (7, 18417312), (8, 16115148), (9, 14324576), (12, 10743432), (14, 9208656), (16, 8057574), (18, 7162288), (21, 6139104), (24, 5371716), (28, 4604328), (32, 4028787), (36, 3581144), (42, 3069552), (48, 2685858), (56, 2302164), (63, 2046368), (72, 1790572), (84, 1534776), (96, 1342929), (112, 1151082), (126, 1023184), (144, 895286), (168, 767388), (224, 575541), (252, 511592), (288, 447643), (336, 383694), (504, 255796), (672, 191847), (1008, 127898), (2016, 63949)]