78840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1$

素因数の和:93

約数の個数: 64

約数和(自身を含む): 266400

約数和(自身を除く): 187560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 438, 540, 584, 657, 730, 876, 1080, 1095, 1314, 1460, 1752, 1971, 2190, 2628, 2920, 3285, 3942, 4380, 5256, 6570, 7884, 8760, 9855, 13140, 15768, 19710, 26280, 39420, 78840]

約数ペア:

[(1, 78840), (2, 39420), (3, 26280), (4, 19710), (5, 15768), (6, 13140), (8, 9855), (9, 8760), (10, 7884), (12, 6570), (15, 5256), (18, 4380), (20, 3942), (24, 3285), (27, 2920), (30, 2628), (36, 2190), (40, 1971), (45, 1752), (54, 1460), (60, 1314), (72, 1095), (73, 1080), (90, 876), (108, 730), (120, 657), (135, 584), (146, 540), (180, 438), (216, 365), (219, 360), (270, 292)]