27781530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{18899}}^1$

素因数の和:18923

約数の個数: 48

約数和(自身を含む): 77565600

約数和(自身を除く): 49784070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 18899, 37798, 56697, 94495, 113394, 132293, 188990, 264586, 283485, 396879, 566970, 661465, 793758, 926051, 1322930, 1852102, 1984395, 2778153, 3968790, 4630255, 5556306, 9260510, 13890765, 27781530]

約数ペア:

[(1, 27781530), (2, 13890765), (3, 9260510), (5, 5556306), (6, 4630255), (7, 3968790), (10, 2778153), (14, 1984395), (15, 1852102), (21, 1322930), (30, 926051), (35, 793758), (42, 661465), (49, 566970), (70, 396879), (98, 283485), (105, 264586), (147, 188990), (210, 132293), (245, 113394), (294, 94495), (490, 56697), (735, 37798), (1470, 18899)]