1247940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2311}}^1$

素因数の和:2329

約数の個数: 48

約数和(自身を含む): 3884160

約数和(自身を除く): 2636220

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, 2311, 4622, 6933, 9244, 11555, 13866, 20799, 23110, 27732, 34665, 41598, 46220, 62397, 69330, 83196, 103995, 124794, 138660, 207990, 249588, 311985, 415980, 623970, 1247940]

約数ペア:

[(1, 1247940), (2, 623970), (3, 415980), (4, 311985), (5, 249588), (6, 207990), (9, 138660), (10, 124794), (12, 103995), (15, 83196), (18, 69330), (20, 62397), (27, 46220), (30, 41598), (36, 34665), (45, 27732), (54, 23110), (60, 20799), (90, 13866), (108, 11555), (135, 9244), (180, 6933), (270, 4622), (540, 2311)]