212223780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{393007}}^1$

素因数の和:393025

約数の個数: 48

約数和(自身を含む): 660253440

約数和(自身を除く): 448029660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 393007, 786014, 1179021, 1572028, 1965035, 2358042, 3537063, 3930070, 4716084, 5895105, 7074126, 7860140, 10611189, 11790210, 14148252, 17685315, 21222378, 23580420, 35370630, 42444756, 53055945, 70741260, 106111890, 212223780]

約数ペア:

[(1, 212223780), (2, 106111890), (3, 70741260), (4, 53055945), (5, 42444756), (6, 35370630), (9, 23580420), (10, 21222378), (12, 17685315), (15, 14148252), (18, 11790210), (20, 10611189), (27, 7860140), (30, 7074126), (36, 5895105), (45, 4716084), (54, 3930070), (60, 3537063), (90, 2358042), (108, 1965035), (135, 1572028), (180, 1179021), (270, 786014), (540, 393007)]