64078280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{32693}}^1$

素因数の和:32718

約数の個数: 48

約数和(自身を含む): 167720220

約数和(自身を除く): 103641940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 32693, 65386, 130772, 163465, 228851, 261544, 326930, 457702, 653860, 915404, 1144255, 1307720, 1601957, 1830808, 2288510, 3203914, 4577020, 6407828, 8009785, 9154040, 12815656, 16019570, 32039140, 64078280]

約数ペア:

[(1, 64078280), (2, 32039140), (4, 16019570), (5, 12815656), (7, 9154040), (8, 8009785), (10, 6407828), (14, 4577020), (20, 3203914), (28, 2288510), (35, 1830808), (40, 1601957), (49, 1307720), (56, 1144255), (70, 915404), (98, 653860), (140, 457702), (196, 326930), (245, 261544), (280, 228851), (392, 163465), (490, 130772), (980, 65386), (1960, 32693)]