157220320

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4657}}^1$

素因数の和:4883

約数の個数: 48

約数和(自身を含む): 373273488

約数和(自身を除く): 216053168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4657, 6752, 8440, 9314, 16880, 18628, 23285, 33760, 37256, 46570, 74512, 93140, 149024, 186280, 372560, 745120, 982627, 1965254, 3930508, 4913135, 7861016, 9826270, 15722032, 19652540, 31444064, 39305080, 78610160, 157220320]

約数ペア:

[(1, 157220320), (2, 78610160), (4, 39305080), (5, 31444064), (8, 19652540), (10, 15722032), (16, 9826270), (20, 7861016), (32, 4913135), (40, 3930508), (80, 1965254), (160, 982627), (211, 745120), (422, 372560), (844, 186280), (1055, 149024), (1688, 93140), (2110, 74512), (3376, 46570), (4220, 37256), (4657, 33760), (6752, 23285), (8440, 18628), (9314, 16880)]