13278840

素因数分解:

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

素因数の和:716

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 26810760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 463, 478, 717, 926, 956, 1195, 1389, 1434, 1852, 1912, 2315, 2390, 2778, 2868, 3585, 3704, 4630, 4780, 5556, 5736, 6945, 7170, 9260, 9560, 11112, 13890, 14340, 18520, 27780, 28680, 55560, 110657, 221314, 331971, 442628, 553285, 663942, 885256, 1106570, 1327884, 1659855, 2213140, 2655768, 3319710, 4426280, 6639420, 13278840]

約数ペア:

[(1, 13278840), (2, 6639420), (3, 4426280), (4, 3319710), (5, 2655768), (6, 2213140), (8, 1659855), (10, 1327884), (12, 1106570), (15, 885256), (20, 663942), (24, 553285), (30, 442628), (40, 331971), (60, 221314), (120, 110657), (239, 55560), (463, 28680), (478, 27780), (717, 18520), (926, 14340), (956, 13890), (1195, 11112), (1389, 9560), (1434, 9260), (1852, 7170), (1912, 6945), (2315, 5736), (2390, 5556), (2778, 4780), (2868, 4630), (3585, 3704)]