156720208

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 60

約数和(自身を含む): 328440288

約数和(自身を除く): 171720080

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 361, 631, 688, 722, 817, 1262, 1444, 1634, 2524, 2888, 3268, 5048, 5776, 6536, 10096, 11989, 13072, 15523, 23978, 27133, 31046, 47956, 54266, 62092, 95912, 108532, 124184, 191824, 217064, 227791, 248368, 434128, 455582, 515527, 911164, 1031054, 1822328, 2062108, 3644656, 4124216, 8248432, 9795013, 19590026, 39180052, 78360104, 156720208]

約数ペア:

[(1, 156720208), (2, 78360104), (4, 39180052), (8, 19590026), (16, 9795013), (19, 8248432), (38, 4124216), (43, 3644656), (76, 2062108), (86, 1822328), (152, 1031054), (172, 911164), (304, 515527), (344, 455582), (361, 434128), (631, 248368), (688, 227791), (722, 217064), (817, 191824), (1262, 124184), (1444, 108532), (1634, 95912), (2524, 62092), (2888, 54266), (3268, 47956), (5048, 31046), (5776, 27133), (6536, 23978), (10096, 15523), (11989, 13072)]