64145025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 132699840

約数和(自身を除く): 68554815

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 139, 175, 225, 293, 315, 417, 525, 695, 879, 973, 1251, 1465, 1575, 2051, 2085, 2637, 2919, 3475, 4395, 4865, 6153, 6255, 7325, 8757, 10255, 10425, 13185, 14595, 18459, 21975, 24325, 30765, 31275, 40727, 43785, 51275, 65925, 72975, 92295, 122181, 153825, 203635, 218925, 285089, 366543, 461475, 610905, 855267, 1018175, 1425445, 1832715, 2565801, 3054525, 4276335, 7127225, 9163575, 12829005, 21381675, 64145025]

約数ペア:

[(1, 64145025), (3, 21381675), (5, 12829005), (7, 9163575), (9, 7127225), (15, 4276335), (21, 3054525), (25, 2565801), (35, 1832715), (45, 1425445), (63, 1018175), (75, 855267), (105, 610905), (139, 461475), (175, 366543), (225, 285089), (293, 218925), (315, 203635), (417, 153825), (525, 122181), (695, 92295), (879, 72975), (973, 65925), (1251, 51275), (1465, 43785), (1575, 40727), (2051, 31275), (2085, 30765), (2637, 24325), (2919, 21975), (3475, 18459), (4395, 14595), (4865, 13185), (6153, 10425), (6255, 10255), (7325, 8757)]