81572688

素因数分解:

$2^4\times 3^2\times {\mathrm{661}}^1\times {\mathrm{857}}^1$

素因数の和:1532

約数の個数: 60

約数和(自身を含む): 228902388

約数和(自身を除く): 147329700

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 661, 857, 1322, 1714, 1983, 2571, 2644, 3428, 3966, 5142, 5288, 5949, 6856, 7713, 7932, 10284, 10576, 11898, 13712, 15426, 15864, 20568, 23796, 30852, 31728, 41136, 47592, 61704, 95184, 123408, 566477, 1132954, 1699431, 2265908, 3398862, 4531816, 5098293, 6797724, 9063632, 10196586, 13595448, 20393172, 27190896, 40786344, 81572688]

約数ペア:

[(1, 81572688), (2, 40786344), (3, 27190896), (4, 20393172), (6, 13595448), (8, 10196586), (9, 9063632), (12, 6797724), (16, 5098293), (18, 4531816), (24, 3398862), (36, 2265908), (48, 1699431), (72, 1132954), (144, 566477), (661, 123408), (857, 95184), (1322, 61704), (1714, 47592), (1983, 41136), (2571, 31728), (2644, 30852), (3428, 23796), (3966, 20568), (5142, 15864), (5288, 15426), (5949, 13712), (6856, 11898), (7713, 10576), (7932, 10284)]