128723280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:613

約数の個数: 160

約数和(自身を含む): 459565824

約数和(自身を除く): 330842544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 193, 210, 240, 280, 336, 386, 397, 420, 560, 579, 772, 794, 840, 965, 1158, 1191, 1351, 1544, 1588, 1680, 1930, 1985, 2316, 2382, 2702, 2779, 2895, 3088, 3176, 3860, 3970, 4053, 4632, 4764, 5404, 5558, 5790, 5955, 6352, 6755, 7720, 7940, 8106, 8337, 9264, 9528, 10808, 11116, 11580, 11910, 13510, 13895, 15440, 15880, 16212, 16674, 19056, 20265, 21616, 22232, 23160, 23820, 27020, 27790, 31760, 32424, 33348, 40530, 41685, 44464, 46320, 47640, 54040, 55580, 64848, 66696, 76621, 81060, 83370, 95280, 108080, 111160, 133392, 153242, 162120, 166740, 222320, 229863, 306484, 324240, 333480, 383105, 459726, 536347, 612968, 666960, 766210, 919452, 1072694, 1149315, 1225936, 1532420, 1609041, 1838904, 2145388, 2298630, 2681735, 3064840, 3218082, 3677808, 4290776, 4597260, 5363470, 6129680, 6436164, 8045205, 8581552, 9194520, 10726940, 12872328, 16090410, 18389040, 21453880, 25744656, 32180820, 42907760, 64361640, 128723280]

約数ペア:

[(1, 128723280), (2, 64361640), (3, 42907760), (4, 32180820), (5, 25744656), (6, 21453880), (7, 18389040), (8, 16090410), (10, 12872328), (12, 10726940), (14, 9194520), (15, 8581552), (16, 8045205), (20, 6436164), (21, 6129680), (24, 5363470), (28, 4597260), (30, 4290776), (35, 3677808), (40, 3218082), (42, 3064840), (48, 2681735), (56, 2298630), (60, 2145388), (70, 1838904), (80, 1609041), (84, 1532420), (105, 1225936), (112, 1149315), (120, 1072694), (140, 919452), (168, 766210), (193, 666960), (210, 612968), (240, 536347), (280, 459726), (336, 383105), (386, 333480), (397, 324240), (420, 306484), (560, 229863), (579, 222320), (772, 166740), (794, 162120), (840, 153242), (965, 133392), (1158, 111160), (1191, 108080), (1351, 95280), (1544, 83370), (1588, 81060), (1680, 76621), (1930, 66696), (1985, 64848), (2316, 55580), (2382, 54040), (2702, 47640), (2779, 46320), (2895, 44464), (3088, 41685), (3176, 40530), (3860, 33348), (3970, 32424), (4053, 31760), (4632, 27790), (4764, 27020), (5404, 23820), (5558, 23160), (5790, 22232), (5955, 21616), (6352, 20265), (6755, 19056), (7720, 16674), (7940, 16212), (8106, 15880), (8337, 15440), (9264, 13895), (9528, 13510), (10808, 11910), (11116, 11580)]