128117990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12799}}^1$

素因数の和:12837

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 181539610

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 12799, 25598, 63995, 89593, 127990, 140789, 166387, 179186, 281578, 332774, 447965, 703945, 831935, 895930, 985523, 1164709, 1407890, 1663870, 1830257, 1971046, 2329418, 3660514, 4927615, 5823545, 9151285, 9855230, 11647090, 12811799, 18302570, 25623598, 64058995, 128117990]

約数ペア:

[(1, 128117990), (2, 64058995), (5, 25623598), (7, 18302570), (10, 12811799), (11, 11647090), (13, 9855230), (14, 9151285), (22, 5823545), (26, 4927615), (35, 3660514), (55, 2329418), (65, 1971046), (70, 1830257), (77, 1663870), (91, 1407890), (110, 1164709), (130, 985523), (143, 895930), (154, 831935), (182, 703945), (286, 447965), (385, 332774), (455, 281578), (715, 179186), (770, 166387), (910, 140789), (1001, 127990), (1430, 89593), (2002, 63995), (5005, 25598), (10010, 12799)]