721080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{2003}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 2344680

約数和(自身を除く): 1623600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 2003, 4006, 6009, 8012, 10015, 12018, 16024, 18027, 20030, 24036, 30045, 36054, 40060, 48072, 60090, 72108, 80120, 90135, 120180, 144216, 180270, 240360, 360540, 721080]

約数ペア:

[(1, 721080), (2, 360540), (3, 240360), (4, 180270), (5, 144216), (6, 120180), (8, 90135), (9, 80120), (10, 72108), (12, 60090), (15, 48072), (18, 40060), (20, 36054), (24, 30045), (30, 24036), (36, 20030), (40, 18027), (45, 16024), (60, 12018), (72, 10015), (90, 8012), (120, 6009), (180, 4006), (360, 2003)]