7740840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 23405760

約数和(自身を除く): 15664920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 257, 502, 514, 753, 771, 1004, 1028, 1255, 1285, 1506, 1542, 2008, 2056, 2510, 2570, 3012, 3084, 3765, 3855, 5020, 5140, 6024, 6168, 7530, 7710, 10040, 10280, 15060, 15420, 30120, 30840, 64507, 129014, 193521, 258028, 322535, 387042, 516056, 645070, 774084, 967605, 1290140, 1548168, 1935210, 2580280, 3870420, 7740840]

約数ペア:

[(1, 7740840), (2, 3870420), (3, 2580280), (4, 1935210), (5, 1548168), (6, 1290140), (8, 967605), (10, 774084), (12, 645070), (15, 516056), (20, 387042), (24, 322535), (30, 258028), (40, 193521), (60, 129014), (120, 64507), (251, 30840), (257, 30120), (502, 15420), (514, 15060), (753, 10280), (771, 10040), (1004, 7710), (1028, 7530), (1255, 6168), (1285, 6024), (1506, 5140), (1542, 5020), (2008, 3855), (2056, 3765), (2510, 3084), (2570, 3012)]