1261890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{2003}}^1$

素因数の和:2023

約数の個数: 48

約数和(自身を含む): 3751488

約数和(自身を除く): 2489598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 2003, 4006, 6009, 10015, 12018, 14021, 18027, 20030, 28042, 30045, 36054, 42063, 60090, 70105, 84126, 90135, 126189, 140210, 180270, 210315, 252378, 420630, 630945, 1261890]

約数ペア:

[(1, 1261890), (2, 630945), (3, 420630), (5, 252378), (6, 210315), (7, 180270), (9, 140210), (10, 126189), (14, 90135), (15, 84126), (18, 70105), (21, 60090), (30, 42063), (35, 36054), (42, 30045), (45, 28042), (63, 20030), (70, 18027), (90, 14021), (105, 12018), (126, 10015), (210, 6009), (315, 4006), (630, 2003)]