15690780756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20755001}}^1$

素因数の和:20755021

約数の個数: 48

約数和(自身を含む): 46491204480

約数和(自身を除く): 30800423724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20755001, 41510002, 62265003, 83020004, 124530006, 145285007, 186795009, 249060012, 290570014, 373590018, 435855021, 560385027, 581140028, 747180036, 871710042, 1120770054, 1307565063, 1743420084, 2241540108, 2615130126, 3922695189, 5230260252, 7845390378, 15690780756]

約数ペア:

[(1, 15690780756), (2, 7845390378), (3, 5230260252), (4, 3922695189), (6, 2615130126), (7, 2241540108), (9, 1743420084), (12, 1307565063), (14, 1120770054), (18, 871710042), (21, 747180036), (27, 581140028), (28, 560385027), (36, 435855021), (42, 373590018), (54, 290570014), (63, 249060012), (84, 186795009), (108, 145285007), (126, 124530006), (189, 83020004), (252, 62265003), (378, 41510002), (756, 20755001)]