256673055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 458006400

約数和(自身を除く): 201333345

約数列:

[1, 3, 5, 15, 17, 29, 51, 61, 85, 87, 145, 183, 255, 305, 435, 493, 569, 915, 1037, 1479, 1707, 1769, 2465, 2845, 3111, 5185, 5307, 7395, 8535, 8845, 9673, 15555, 16501, 26535, 29019, 30073, 34709, 48365, 49503, 82505, 90219, 104127, 145095, 150365, 173545, 247515, 280517, 451095, 520635, 590053, 841551, 1006561, 1402585, 1770159, 2950265, 3019683, 4207755, 5032805, 8850795, 15098415, 17111537, 51334611, 85557685, 256673055]

約数ペア:

[(1, 256673055), (3, 85557685), (5, 51334611), (15, 17111537), (17, 15098415), (29, 8850795), (51, 5032805), (61, 4207755), (85, 3019683), (87, 2950265), (145, 1770159), (183, 1402585), (255, 1006561), (305, 841551), (435, 590053), (493, 520635), (569, 451095), (915, 280517), (1037, 247515), (1479, 173545), (1707, 150365), (1769, 145095), (2465, 104127), (2845, 90219), (3111, 82505), (5185, 49503), (5307, 48365), (7395, 34709), (8535, 30073), (8845, 29019), (9673, 26535), (15555, 16501)]