81090840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1783}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 244051200

約数和(自身を除く): 162960360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 379, 758, 1137, 1516, 1783, 1895, 2274, 3032, 3566, 3790, 4548, 5349, 5685, 7132, 7580, 8915, 9096, 10698, 11370, 14264, 15160, 17830, 21396, 22740, 26745, 35660, 42792, 45480, 53490, 71320, 106980, 213960, 675757, 1351514, 2027271, 2703028, 3378785, 4054542, 5406056, 6757570, 8109084, 10136355, 13515140, 16218168, 20272710, 27030280, 40545420, 81090840]

約数ペア:

[(1, 81090840), (2, 40545420), (3, 27030280), (4, 20272710), (5, 16218168), (6, 13515140), (8, 10136355), (10, 8109084), (12, 6757570), (15, 5406056), (20, 4054542), (24, 3378785), (30, 2703028), (40, 2027271), (60, 1351514), (120, 675757), (379, 213960), (758, 106980), (1137, 71320), (1516, 53490), (1783, 45480), (1895, 42792), (2274, 35660), (3032, 26745), (3566, 22740), (3790, 21396), (4548, 17830), (5349, 15160), (5685, 14264), (7132, 11370), (7580, 10698), (8915, 9096)]