81018660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71069}}^1$

素因数の和:71100

約数の個数: 48

約数和(自身を含む): 238795200

約数和(自身を除く): 157776540

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, 71069, 142138, 213207, 284276, 355345, 426414, 710690, 852828, 1066035, 1350311, 1421380, 2132070, 2700622, 4050933, 4264140, 5401244, 6751555, 8101866, 13503110, 16203732, 20254665, 27006220, 40509330, 81018660]

約数ペア:

[(1, 81018660), (2, 40509330), (3, 27006220), (4, 20254665), (5, 16203732), (6, 13503110), (10, 8101866), (12, 6751555), (15, 5401244), (19, 4264140), (20, 4050933), (30, 2700622), (38, 2132070), (57, 1421380), (60, 1350311), (76, 1066035), (95, 852828), (114, 710690), (190, 426414), (228, 355345), (285, 284276), (380, 213207), (570, 142138), (1140, 71069)]