2808840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 8553600

約数和(自身を除く): 5744760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 263, 267, 356, 445, 526, 534, 712, 789, 890, 1052, 1068, 1315, 1335, 1578, 1780, 2104, 2136, 2630, 2670, 3156, 3560, 3945, 5260, 5340, 6312, 7890, 10520, 10680, 15780, 23407, 31560, 46814, 70221, 93628, 117035, 140442, 187256, 234070, 280884, 351105, 468140, 561768, 702210, 936280, 1404420, 2808840]

約数ペア:

[(1, 2808840), (2, 1404420), (3, 936280), (4, 702210), (5, 561768), (6, 468140), (8, 351105), (10, 280884), (12, 234070), (15, 187256), (20, 140442), (24, 117035), (30, 93628), (40, 70221), (60, 46814), (89, 31560), (120, 23407), (178, 15780), (263, 10680), (267, 10520), (356, 7890), (445, 6312), (526, 5340), (534, 5260), (712, 3945), (789, 3560), (890, 3156), (1052, 2670), (1068, 2630), (1315, 2136), (1335, 2104), (1578, 1780)]