128215560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 423273600

約数和(自身を除く): 295058040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 137, 165, 220, 264, 274, 330, 411, 440, 548, 660, 685, 709, 822, 1096, 1320, 1370, 1418, 1507, 1644, 2055, 2127, 2740, 2836, 3014, 3288, 3545, 4110, 4254, 4521, 5480, 5672, 6028, 7090, 7535, 7799, 8220, 8508, 9042, 10635, 12056, 14180, 15070, 15598, 16440, 17016, 18084, 21270, 22605, 23397, 28360, 30140, 31196, 36168, 38995, 42540, 45210, 46794, 60280, 62392, 77990, 85080, 90420, 93588, 97133, 116985, 155980, 180840, 187176, 194266, 233970, 291399, 311960, 388532, 467940, 485665, 582798, 777064, 935880, 971330, 1068463, 1165596, 1456995, 1942660, 2136926, 2331192, 2913990, 3205389, 3885320, 4273852, 5342315, 5827980, 6410778, 8547704, 10684630, 11655960, 12821556, 16026945, 21369260, 25643112, 32053890, 42738520, 64107780, 128215560]

約数ペア:

[(1, 128215560), (2, 64107780), (3, 42738520), (4, 32053890), (5, 25643112), (6, 21369260), (8, 16026945), (10, 12821556), (11, 11655960), (12, 10684630), (15, 8547704), (20, 6410778), (22, 5827980), (24, 5342315), (30, 4273852), (33, 3885320), (40, 3205389), (44, 2913990), (55, 2331192), (60, 2136926), (66, 1942660), (88, 1456995), (110, 1165596), (120, 1068463), (132, 971330), (137, 935880), (165, 777064), (220, 582798), (264, 485665), (274, 467940), (330, 388532), (411, 311960), (440, 291399), (548, 233970), (660, 194266), (685, 187176), (709, 180840), (822, 155980), (1096, 116985), (1320, 97133), (1370, 93588), (1418, 90420), (1507, 85080), (1644, 77990), (2055, 62392), (2127, 60280), (2740, 46794), (2836, 45210), (3014, 42540), (3288, 38995), (3545, 36168), (4110, 31196), (4254, 30140), (4521, 28360), (5480, 23397), (5672, 22605), (6028, 21270), (7090, 18084), (7535, 17016), (7799, 16440), (8220, 15598), (8508, 15070), (9042, 14180), (10635, 12056)]