399060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{739}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 1243200

約数和(自身を除く): 844140

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, 739, 1478, 2217, 2956, 3695, 4434, 6651, 7390, 8868, 11085, 13302, 14780, 19953, 22170, 26604, 33255, 39906, 44340, 66510, 79812, 99765, 133020, 199530, 399060]

約数ペア:

[(1, 399060), (2, 199530), (3, 133020), (4, 99765), (5, 79812), (6, 66510), (9, 44340), (10, 39906), (12, 33255), (15, 26604), (18, 22170), (20, 19953), (27, 14780), (30, 13302), (36, 11085), (45, 8868), (54, 7390), (60, 6651), (90, 4434), (108, 3695), (135, 2956), (180, 2217), (270, 1478), (540, 739)]