64528000

素因数分解:

$2^7\times 5^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 166280400

約数和(自身を除く): 101752400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 109, 125, 128, 148, 160, 185, 200, 218, 250, 296, 320, 370, 400, 436, 500, 545, 592, 640, 740, 800, 872, 925, 1000, 1090, 1184, 1480, 1600, 1744, 1850, 2000, 2180, 2368, 2725, 2960, 3200, 3488, 3700, 4000, 4033, 4360, 4625, 4736, 5450, 5920, 6976, 7400, 8000, 8066, 8720, 9250, 10900, 11840, 13625, 13952, 14800, 16000, 16132, 17440, 18500, 20165, 21800, 23680, 27250, 29600, 32264, 34880, 37000, 40330, 43600, 54500, 59200, 64528, 69760, 74000, 80660, 87200, 100825, 109000, 118400, 129056, 148000, 161320, 174400, 201650, 218000, 258112, 296000, 322640, 348800, 403300, 436000, 504125, 516224, 592000, 645280, 806600, 872000, 1008250, 1290560, 1613200, 1744000, 2016500, 2581120, 3226400, 4033000, 6452800, 8066000, 12905600, 16132000, 32264000, 64528000]

約数ペア:

[(1, 64528000), (2, 32264000), (4, 16132000), (5, 12905600), (8, 8066000), (10, 6452800), (16, 4033000), (20, 3226400), (25, 2581120), (32, 2016500), (37, 1744000), (40, 1613200), (50, 1290560), (64, 1008250), (74, 872000), (80, 806600), (100, 645280), (109, 592000), (125, 516224), (128, 504125), (148, 436000), (160, 403300), (185, 348800), (200, 322640), (218, 296000), (250, 258112), (296, 218000), (320, 201650), (370, 174400), (400, 161320), (436, 148000), (500, 129056), (545, 118400), (592, 109000), (640, 100825), (740, 87200), (800, 80660), (872, 74000), (925, 69760), (1000, 64528), (1090, 59200), (1184, 54500), (1480, 43600), (1600, 40330), (1744, 37000), (1850, 34880), (2000, 32264), (2180, 29600), (2368, 27250), (2725, 23680), (2960, 21800), (3200, 20165), (3488, 18500), (3700, 17440), (4000, 16132), (4033, 16000), (4360, 14800), (4625, 13952), (4736, 13625), (5450, 11840), (5920, 10900), (6976, 9250), (7400, 8720), (8000, 8066)]