15987900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 46715760

約数和(自身を除く): 30727860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 137, 150, 274, 300, 389, 411, 548, 685, 778, 822, 1167, 1370, 1556, 1644, 1945, 2055, 2334, 2740, 3425, 3890, 4110, 4668, 5835, 6850, 7780, 8220, 9725, 10275, 11670, 13700, 19450, 20550, 23340, 29175, 38900, 41100, 53293, 58350, 106586, 116700, 159879, 213172, 266465, 319758, 532930, 639516, 799395, 1065860, 1332325, 1598790, 2664650, 3197580, 3996975, 5329300, 7993950, 15987900]

約数ペア:

[(1, 15987900), (2, 7993950), (3, 5329300), (4, 3996975), (5, 3197580), (6, 2664650), (10, 1598790), (12, 1332325), (15, 1065860), (20, 799395), (25, 639516), (30, 532930), (50, 319758), (60, 266465), (75, 213172), (100, 159879), (137, 116700), (150, 106586), (274, 58350), (300, 53293), (389, 41100), (411, 38900), (548, 29175), (685, 23340), (778, 20550), (822, 19450), (1167, 13700), (1370, 11670), (1556, 10275), (1644, 9725), (1945, 8220), (2055, 7780), (2334, 6850), (2740, 5835), (3425, 4668), (3890, 4110)]