1277880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 4008960

約数和(自身を除く): 2731080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 463, 552, 690, 920, 926, 1380, 1389, 1852, 2315, 2760, 2778, 3704, 4630, 5556, 6945, 9260, 10649, 11112, 13890, 18520, 21298, 27780, 31947, 42596, 53245, 55560, 63894, 85192, 106490, 127788, 159735, 212980, 255576, 319470, 425960, 638940, 1277880]

約数ペア:

[(1, 1277880), (2, 638940), (3, 425960), (4, 319470), (5, 255576), (6, 212980), (8, 159735), (10, 127788), (12, 106490), (15, 85192), (20, 63894), (23, 55560), (24, 53245), (30, 42596), (40, 31947), (46, 27780), (60, 21298), (69, 18520), (92, 13890), (115, 11112), (120, 10649), (138, 9260), (184, 6945), (230, 5556), (276, 4630), (345, 3704), (460, 2778), (463, 2760), (552, 2315), (690, 1852), (920, 1389), (926, 1380)]