77477880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{645649}}^1$

素因数の和:645663

約数の個数: 32

約数和(自身を含む): 232434000

約数和(自身を除く): 154956120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 645649, 1291298, 1936947, 2582596, 3228245, 3873894, 5165192, 6456490, 7747788, 9684735, 12912980, 15495576, 19369470, 25825960, 38738940, 77477880]

約数ペア:

[(1, 77477880), (2, 38738940), (3, 25825960), (4, 19369470), (5, 15495576), (6, 12912980), (8, 9684735), (10, 7747788), (12, 6456490), (15, 5165192), (20, 3873894), (24, 3228245), (30, 2582596), (40, 1936947), (60, 1291298), (120, 645649)]