1278000540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7100003}}^1$

素因数の和:7100018

約数の個数: 36

約数和(自身を含む): 3876602184

約数和(自身を除く): 2598601644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7100003, 14200006, 21300009, 28400012, 35500015, 42600018, 63900027, 71000030, 85200036, 106500045, 127800054, 142000060, 213000090, 255600108, 319500135, 426000180, 639000270, 1278000540]

約数ペア:

[(1, 1278000540), (2, 639000270), (3, 426000180), (4, 319500135), (5, 255600108), (6, 213000090), (9, 142000060), (10, 127800054), (12, 106500045), (15, 85200036), (18, 71000030), (20, 63900027), (30, 42600018), (36, 35500015), (45, 28400012), (60, 21300009), (90, 14200006), (180, 7100003)]