1278921210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{264787}}^1$

素因数の和:264827

約数の個数: 64

約数和(自身を含む): 3660429312

約数和(自身を除く): 2381508102

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 264787, 529574, 794361, 1323935, 1588722, 1853509, 2647870, 3707018, 3971805, 5560527, 6090101, 7943610, 9267545, 11121054, 12180202, 18270303, 18535090, 27802635, 30450505, 36540606, 42630707, 55605270, 60901010, 85261414, 91351515, 127892121, 182703030, 213153535, 255784242, 426307070, 639460605, 1278921210]

約数ペア:

[(1, 1278921210), (2, 639460605), (3, 426307070), (5, 255784242), (6, 213153535), (7, 182703030), (10, 127892121), (14, 91351515), (15, 85261414), (21, 60901010), (23, 55605270), (30, 42630707), (35, 36540606), (42, 30450505), (46, 27802635), (69, 18535090), (70, 18270303), (105, 12180202), (115, 11121054), (138, 9267545), (161, 7943610), (210, 6090101), (230, 5560527), (322, 3971805), (345, 3707018), (483, 2647870), (690, 1853509), (805, 1588722), (966, 1323935), (1610, 794361), (2415, 529574), (4830, 264787)]