6639420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 18708480

約数和(自身を除く): 12069060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 463, 478, 717, 926, 956, 1195, 1389, 1434, 1852, 2315, 2390, 2778, 2868, 3585, 4630, 4780, 5556, 6945, 7170, 9260, 13890, 14340, 27780, 110657, 221314, 331971, 442628, 553285, 663942, 1106570, 1327884, 1659855, 2213140, 3319710, 6639420]

約数ペア:

[(1, 6639420), (2, 3319710), (3, 2213140), (4, 1659855), (5, 1327884), (6, 1106570), (10, 663942), (12, 553285), (15, 442628), (20, 331971), (30, 221314), (60, 110657), (239, 27780), (463, 14340), (478, 13890), (717, 9260), (926, 7170), (956, 6945), (1195, 5556), (1389, 4780), (1434, 4630), (1852, 3585), (2315, 2868), (2390, 2778)]