177637140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1493}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 540009288

約数和(自身を除く): 362372148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1493, 1983, 2644, 2986, 3305, 3966, 4479, 5949, 5972, 6610, 7465, 7932, 8958, 9915, 11898, 13220, 13437, 14930, 17916, 19830, 22395, 23796, 26874, 29745, 29860, 39660, 44790, 53748, 59490, 67185, 89580, 118980, 134370, 268740, 986873, 1973746, 2960619, 3947492, 4934365, 5921238, 8881857, 9868730, 11842476, 14803095, 17763714, 19737460, 29606190, 35527428, 44409285, 59212380, 88818570, 177637140]

約数ペア:

[(1, 177637140), (2, 88818570), (3, 59212380), (4, 44409285), (5, 35527428), (6, 29606190), (9, 19737460), (10, 17763714), (12, 14803095), (15, 11842476), (18, 9868730), (20, 8881857), (30, 5921238), (36, 4934365), (45, 3947492), (60, 2960619), (90, 1973746), (180, 986873), (661, 268740), (1322, 134370), (1493, 118980), (1983, 89580), (2644, 67185), (2986, 59490), (3305, 53748), (3966, 44790), (4479, 39660), (5949, 29860), (5972, 29745), (6610, 26874), (7465, 23796), (7932, 22395), (8958, 19830), (9915, 17916), (11898, 14930), (13220, 13437)]