12648640

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 84

約数和(自身を含む): 31857696

約数和(自身を除く): 19209056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 64, 80, 94, 116, 145, 160, 188, 232, 235, 290, 320, 376, 464, 470, 580, 752, 841, 928, 940, 1160, 1363, 1504, 1682, 1856, 1880, 2320, 2726, 3008, 3364, 3760, 4205, 4640, 5452, 6728, 6815, 7520, 8410, 9280, 10904, 13456, 13630, 15040, 16820, 21808, 26912, 27260, 33640, 39527, 43616, 53824, 54520, 67280, 79054, 87232, 109040, 134560, 158108, 197635, 218080, 269120, 316216, 395270, 436160, 632432, 790540, 1264864, 1581080, 2529728, 3162160, 6324320, 12648640]

約数ペア:

[(1, 12648640), (2, 6324320), (4, 3162160), (5, 2529728), (8, 1581080), (10, 1264864), (16, 790540), (20, 632432), (29, 436160), (32, 395270), (40, 316216), (47, 269120), (58, 218080), (64, 197635), (80, 158108), (94, 134560), (116, 109040), (145, 87232), (160, 79054), (188, 67280), (232, 54520), (235, 53824), (290, 43616), (320, 39527), (376, 33640), (464, 27260), (470, 26912), (580, 21808), (752, 16820), (841, 15040), (928, 13630), (940, 13456), (1160, 10904), (1363, 9280), (1504, 8410), (1682, 7520), (1856, 6815), (1880, 6728), (2320, 5452), (2726, 4640), (3008, 4205), (3364, 3760)]