2109780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3907}}^1$

素因数の和:3925

約数の個数: 48

約数和(自身を含む): 6565440

約数和(自身を除く): 4455660

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, 3907, 7814, 11721, 15628, 19535, 23442, 35163, 39070, 46884, 58605, 70326, 78140, 105489, 117210, 140652, 175815, 210978, 234420, 351630, 421956, 527445, 703260, 1054890, 2109780]

約数ペア:

[(1, 2109780), (2, 1054890), (3, 703260), (4, 527445), (5, 421956), (6, 351630), (9, 234420), (10, 210978), (12, 175815), (15, 140652), (18, 117210), (20, 105489), (27, 78140), (30, 70326), (36, 58605), (45, 46884), (54, 39070), (60, 35163), (90, 23442), (108, 19535), (135, 15628), (180, 11721), (270, 7814), (540, 3907)]