128768320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21179}}^1$

素因数の和:21215

約数の個数: 56

約数和(自身を含む): 322783200

約数和(自身を除く): 194014880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 21179, 42358, 84716, 105895, 169432, 211790, 338864, 402401, 423580, 677728, 804802, 847160, 1355456, 1609604, 1694320, 2012005, 3219208, 3388640, 4024010, 6438416, 6777280, 8048020, 12876832, 16096040, 25753664, 32192080, 64384160, 128768320]

約数ペア:

[(1, 128768320), (2, 64384160), (4, 32192080), (5, 25753664), (8, 16096040), (10, 12876832), (16, 8048020), (19, 6777280), (20, 6438416), (32, 4024010), (38, 3388640), (40, 3219208), (64, 2012005), (76, 1694320), (80, 1609604), (95, 1355456), (152, 847160), (160, 804802), (190, 677728), (304, 423580), (320, 402401), (380, 338864), (608, 211790), (760, 169432), (1216, 105895), (1520, 84716), (3040, 42358), (6080, 21179)]