81417660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71419}}^1$

素因数の和:71450

約数の個数: 48

約数和(自身を含む): 239971200

約数和(自身を除く): 158553540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71419, 142838, 214257, 285676, 357095, 428514, 714190, 857028, 1071285, 1356961, 1428380, 2142570, 2713922, 4070883, 4285140, 5427844, 6784805, 8141766, 13569610, 16283532, 20354415, 27139220, 40708830, 81417660]

約数ペア:

[(1, 81417660), (2, 40708830), (3, 27139220), (4, 20354415), (5, 16283532), (6, 13569610), (10, 8141766), (12, 6784805), (15, 5427844), (19, 4285140), (20, 4070883), (30, 2713922), (38, 2142570), (57, 1428380), (60, 1356961), (76, 1071285), (95, 857028), (114, 714190), (190, 428514), (228, 357095), (285, 285676), (380, 214257), (570, 142838), (1140, 71419)]