1721880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4783}}^1$

素因数の和:4800

約数の個数: 48

約数和(自身を含む): 5597280

約数和(自身を除く): 3875400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 4783, 9566, 14349, 19132, 23915, 28698, 38264, 43047, 47830, 57396, 71745, 86094, 95660, 114792, 143490, 172188, 191320, 215235, 286980, 344376, 430470, 573960, 860940, 1721880]

約数ペア:

[(1, 1721880), (2, 860940), (3, 573960), (4, 430470), (5, 344376), (6, 286980), (8, 215235), (9, 191320), (10, 172188), (12, 143490), (15, 114792), (18, 95660), (20, 86094), (24, 71745), (30, 57396), (36, 47830), (40, 43047), (45, 38264), (60, 28698), (72, 23915), (90, 19132), (120, 14349), (180, 9566), (360, 4783)]