257942340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{477671}}^1$

素因数の和:477689

約数の個数: 48

約数和(自身を含む): 802488960

約数和(自身を除く): 544546620

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, 477671, 955342, 1433013, 1910684, 2388355, 2866026, 4299039, 4776710, 5732052, 7165065, 8598078, 9553420, 12897117, 14330130, 17196156, 21495195, 25794234, 28660260, 42990390, 51588468, 64485585, 85980780, 128971170, 257942340]

約数ペア:

[(1, 257942340), (2, 128971170), (3, 85980780), (4, 64485585), (5, 51588468), (6, 42990390), (9, 28660260), (10, 25794234), (12, 21495195), (15, 17196156), (18, 14330130), (20, 12897117), (27, 9553420), (30, 8598078), (36, 7165065), (45, 5732052), (54, 4776710), (60, 4299039), (90, 2866026), (108, 2388355), (135, 1910684), (180, 1433013), (270, 955342), (540, 477671)]