1648786680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4579963}}^1$

素因数の和:4579980

約数の個数: 48

約数和(自身を含む): 5358557880

約数和(自身を除く): 3709771200

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, 4579963, 9159926, 13739889, 18319852, 22899815, 27479778, 36639704, 41219667, 45799630, 54959556, 68699445, 82439334, 91599260, 109919112, 137398890, 164878668, 183198520, 206098335, 274797780, 329757336, 412196670, 549595560, 824393340, 1648786680]

約数ペア:

[(1, 1648786680), (2, 824393340), (3, 549595560), (4, 412196670), (5, 329757336), (6, 274797780), (8, 206098335), (9, 183198520), (10, 164878668), (12, 137398890), (15, 109919112), (18, 91599260), (20, 82439334), (24, 68699445), (30, 54959556), (36, 45799630), (40, 41219667), (45, 36639704), (60, 27479778), (72, 22899815), (90, 18319852), (120, 13739889), (180, 9159926), (360, 4579963)]