641880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1783}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 2087280

約数和(自身を除く): 1445400

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, 1783, 3566, 5349, 7132, 8915, 10698, 14264, 16047, 17830, 21396, 26745, 32094, 35660, 42792, 53490, 64188, 71320, 80235, 106980, 128376, 160470, 213960, 320940, 641880]

約数ペア:

[(1, 641880), (2, 320940), (3, 213960), (4, 160470), (5, 128376), (6, 106980), (8, 80235), (9, 71320), (10, 64188), (12, 53490), (15, 42792), (18, 35660), (20, 32094), (24, 26745), (30, 21396), (36, 17830), (40, 16047), (45, 14264), (60, 10698), (72, 8915), (90, 7132), (120, 5349), (180, 3566), (360, 1783)]