81938940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1433}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 229830048

約数和(自身を除く): 147891108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 953, 1433, 1906, 2859, 2866, 3812, 4299, 4765, 5718, 5732, 7165, 8598, 9530, 11436, 14295, 14330, 17196, 19060, 21495, 28590, 28660, 42990, 57180, 85980, 1365649, 2731298, 4096947, 5462596, 6828245, 8193894, 13656490, 16387788, 20484735, 27312980, 40969470, 81938940]

約数ペア:

[(1, 81938940), (2, 40969470), (3, 27312980), (4, 20484735), (5, 16387788), (6, 13656490), (10, 8193894), (12, 6828245), (15, 5462596), (20, 4096947), (30, 2731298), (60, 1365649), (953, 85980), (1433, 57180), (1906, 42990), (2859, 28660), (2866, 28590), (3812, 21495), (4299, 19060), (4765, 17196), (5718, 14330), (5732, 14295), (7165, 11436), (8598, 9530)]