64678965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 119750400

約数和(自身を除く): 55071435

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 109, 179, 195, 221, 255, 327, 537, 545, 663, 895, 1105, 1417, 1635, 1853, 2327, 2685, 3043, 3315, 4251, 5559, 6981, 7085, 9129, 9265, 11635, 15215, 19511, 21255, 24089, 27795, 34905, 39559, 45645, 58533, 72267, 97555, 118677, 120445, 197795, 253643, 292665, 331687, 361335, 593385, 760929, 995061, 1268215, 1658435, 3804645, 4311931, 4975305, 12935793, 21559655, 64678965]

約数ペア:

[(1, 64678965), (3, 21559655), (5, 12935793), (13, 4975305), (15, 4311931), (17, 3804645), (39, 1658435), (51, 1268215), (65, 995061), (85, 760929), (109, 593385), (179, 361335), (195, 331687), (221, 292665), (255, 253643), (327, 197795), (537, 120445), (545, 118677), (663, 97555), (895, 72267), (1105, 58533), (1417, 45645), (1635, 39559), (1853, 34905), (2327, 27795), (2685, 24089), (3043, 21255), (3315, 19511), (4251, 15215), (5559, 11635), (6981, 9265), (7085, 9129)]