51676980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1303}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 145025664

約数和(自身を除く): 93348684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1303, 1322, 1983, 2606, 2644, 3305, 3909, 3966, 5212, 6515, 6610, 7818, 7932, 9915, 13030, 13220, 15636, 19545, 19830, 26060, 39090, 39660, 78180, 861283, 1722566, 2583849, 3445132, 4306415, 5167698, 8612830, 10335396, 12919245, 17225660, 25838490, 51676980]

約数ペア:

[(1, 51676980), (2, 25838490), (3, 17225660), (4, 12919245), (5, 10335396), (6, 8612830), (10, 5167698), (12, 4306415), (15, 3445132), (20, 2583849), (30, 1722566), (60, 861283), (661, 78180), (1303, 39660), (1322, 39090), (1983, 26060), (2606, 19830), (2644, 19545), (3305, 15636), (3909, 13220), (3966, 13030), (5212, 9915), (6515, 7932), (6610, 7818)]