15840404520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{32063}}^1$

素因数の和:32279

約数の個数: 128

約数和(自身を含む): 49865932800

約数和(自身を除く): 34025528280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 179, 184, 230, 276, 345, 358, 460, 537, 552, 690, 716, 895, 920, 1074, 1380, 1432, 1790, 2148, 2685, 2760, 3580, 4117, 4296, 5370, 7160, 8234, 10740, 12351, 16468, 20585, 21480, 24702, 32063, 32936, 41170, 49404, 61755, 64126, 82340, 96189, 98808, 123510, 128252, 160315, 164680, 192378, 247020, 256504, 320630, 384756, 480945, 494040, 641260, 737449, 769512, 961890, 1282520, 1474898, 1923780, 2212347, 2949796, 3687245, 3847560, 4424694, 5739277, 5899592, 7374490, 8849388, 11061735, 11478554, 14748980, 17217831, 17698776, 22123470, 22957108, 28696385, 29497960, 34435662, 44246940, 45914216, 57392770, 68871324, 86089155, 88493880, 114785540, 132003371, 137742648, 172178310, 229571080, 264006742, 344356620, 396010113, 528013484, 660016855, 688713240, 792020226, 1056026968, 1320033710, 1584040452, 1980050565, 2640067420, 3168080904, 3960101130, 5280134840, 7920202260, 15840404520]

約数ペア:

[(1, 15840404520), (2, 7920202260), (3, 5280134840), (4, 3960101130), (5, 3168080904), (6, 2640067420), (8, 1980050565), (10, 1584040452), (12, 1320033710), (15, 1056026968), (20, 792020226), (23, 688713240), (24, 660016855), (30, 528013484), (40, 396010113), (46, 344356620), (60, 264006742), (69, 229571080), (92, 172178310), (115, 137742648), (120, 132003371), (138, 114785540), (179, 88493880), (184, 86089155), (230, 68871324), (276, 57392770), (345, 45914216), (358, 44246940), (460, 34435662), (537, 29497960), (552, 28696385), (690, 22957108), (716, 22123470), (895, 17698776), (920, 17217831), (1074, 14748980), (1380, 11478554), (1432, 11061735), (1790, 8849388), (2148, 7374490), (2685, 5899592), (2760, 5739277), (3580, 4424694), (4117, 3847560), (4296, 3687245), (5370, 2949796), (7160, 2212347), (8234, 1923780), (10740, 1474898), (12351, 1282520), (16468, 961890), (20585, 769512), (21480, 737449), (24702, 641260), (32063, 494040), (32936, 480945), (41170, 384756), (49404, 320630), (61755, 256504), (64126, 247020), (82340, 192378), (96189, 164680), (98808, 160315), (123510, 128252)]