6691680640

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{243157}}^1$

素因数の和:243219

約数の個数: 64

約数和(自身を含む): 16369396560

約数和(自身を除く): 9677715920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2752, 3440, 5504, 6880, 13760, 27520, 243157, 486314, 972628, 1215785, 1945256, 2431570, 3890512, 4863140, 7781024, 9726280, 10455751, 15562048, 19452560, 20911502, 31124096, 38905120, 41823004, 52278755, 77810240, 83646008, 104557510, 155620480, 167292016, 209115020, 334584032, 418230040, 669168064, 836460080, 1338336128, 1672920160, 3345840320, 6691680640]

約数ペア:

[(1, 6691680640), (2, 3345840320), (4, 1672920160), (5, 1338336128), (8, 836460080), (10, 669168064), (16, 418230040), (20, 334584032), (32, 209115020), (40, 167292016), (43, 155620480), (64, 104557510), (80, 83646008), (86, 77810240), (128, 52278755), (160, 41823004), (172, 38905120), (215, 31124096), (320, 20911502), (344, 19452560), (430, 15562048), (640, 10455751), (688, 9726280), (860, 7781024), (1376, 4863140), (1720, 3890512), (2752, 2431570), (3440, 1945256), (5504, 1215785), (6880, 972628), (13760, 486314), (27520, 243157)]