64540000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{461}}^1$

素因数の和:498

約数の個数: 120

約数和(自身を含む): 181854288

約数和(自身を除く): 117314288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 461, 500, 560, 625, 700, 800, 875, 922, 1000, 1120, 1250, 1400, 1750, 1844, 2000, 2305, 2500, 2800, 3227, 3500, 3688, 4000, 4375, 4610, 5000, 5600, 6454, 7000, 7376, 8750, 9220, 10000, 11525, 12908, 14000, 14752, 16135, 17500, 18440, 20000, 23050, 25816, 28000, 32270, 35000, 36880, 46100, 51632, 57625, 64540, 70000, 73760, 80675, 92200, 103264, 115250, 129080, 140000, 161350, 184400, 230500, 258160, 288125, 322700, 368800, 403375, 461000, 516320, 576250, 645400, 806750, 922000, 1152500, 1290800, 1613500, 1844000, 2016875, 2305000, 2581600, 3227000, 4033750, 4610000, 6454000, 8067500, 9220000, 12908000, 16135000, 32270000, 64540000]

約数ペア:

[(1, 64540000), (2, 32270000), (4, 16135000), (5, 12908000), (7, 9220000), (8, 8067500), (10, 6454000), (14, 4610000), (16, 4033750), (20, 3227000), (25, 2581600), (28, 2305000), (32, 2016875), (35, 1844000), (40, 1613500), (50, 1290800), (56, 1152500), (70, 922000), (80, 806750), (100, 645400), (112, 576250), (125, 516320), (140, 461000), (160, 403375), (175, 368800), (200, 322700), (224, 288125), (250, 258160), (280, 230500), (350, 184400), (400, 161350), (461, 140000), (500, 129080), (560, 115250), (625, 103264), (700, 92200), (800, 80675), (875, 73760), (922, 70000), (1000, 64540), (1120, 57625), (1250, 51632), (1400, 46100), (1750, 36880), (1844, 35000), (2000, 32270), (2305, 28000), (2500, 25816), (2800, 23050), (3227, 20000), (3500, 18440), (3688, 17500), (4000, 16135), (4375, 14752), (4610, 14000), (5000, 12908), (5600, 11525), (6454, 10000), (7000, 9220), (7376, 8750)]