80156120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2719}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 199756800

約数和(自身を除く): 119600680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2719, 2948, 3685, 5438, 5896, 7370, 10876, 13595, 14740, 21752, 27190, 29480, 29909, 54380, 59818, 108760, 119636, 149545, 182173, 239272, 299090, 364346, 598180, 728692, 910865, 1196360, 1457384, 1821730, 2003903, 3643460, 4007806, 7286920, 8015612, 10019515, 16031224, 20039030, 40078060, 80156120]

約数ペア:

[(1, 80156120), (2, 40078060), (4, 20039030), (5, 16031224), (8, 10019515), (10, 8015612), (11, 7286920), (20, 4007806), (22, 3643460), (40, 2003903), (44, 1821730), (55, 1457384), (67, 1196360), (88, 910865), (110, 728692), (134, 598180), (220, 364346), (268, 299090), (335, 239272), (440, 182173), (536, 149545), (670, 119636), (737, 108760), (1340, 59818), (1474, 54380), (2680, 29909), (2719, 29480), (2948, 27190), (3685, 21752), (5438, 14740), (5896, 13595), (7370, 10876)]