131698880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21661}}^1$

素因数の和:21697

約数の個数: 56

約数和(自身を含む): 330128880

約数和(自身を除く): 198430000

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, 21661, 43322, 86644, 108305, 173288, 216610, 346576, 411559, 433220, 693152, 823118, 866440, 1386304, 1646236, 1732880, 2057795, 3292472, 3465760, 4115590, 6584944, 6931520, 8231180, 13169888, 16462360, 26339776, 32924720, 65849440, 131698880]

約数ペア:

[(1, 131698880), (2, 65849440), (4, 32924720), (5, 26339776), (8, 16462360), (10, 13169888), (16, 8231180), (19, 6931520), (20, 6584944), (32, 4115590), (38, 3465760), (40, 3292472), (64, 2057795), (76, 1732880), (80, 1646236), (95, 1386304), (152, 866440), (160, 823118), (190, 693152), (304, 433220), (320, 411559), (380, 346576), (608, 216610), (760, 173288), (1216, 108305), (1520, 86644), (3040, 43322), (6080, 21661)]