7690880

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 18782280

約数和(自身を除く): 11091400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 197, 244, 305, 320, 394, 488, 610, 640, 788, 976, 985, 1220, 1576, 1952, 1970, 2440, 3152, 3904, 3940, 4880, 6304, 7808, 7880, 9760, 12017, 12608, 15760, 19520, 24034, 25216, 31520, 39040, 48068, 60085, 63040, 96136, 120170, 126080, 192272, 240340, 384544, 480680, 769088, 961360, 1538176, 1922720, 3845440, 7690880]

約数ペア:

[(1, 7690880), (2, 3845440), (4, 1922720), (5, 1538176), (8, 961360), (10, 769088), (16, 480680), (20, 384544), (32, 240340), (40, 192272), (61, 126080), (64, 120170), (80, 96136), (122, 63040), (128, 60085), (160, 48068), (197, 39040), (244, 31520), (305, 25216), (320, 24034), (394, 19520), (488, 15760), (610, 12608), (640, 12017), (788, 9760), (976, 7880), (985, 7808), (1220, 6304), (1576, 4880), (1952, 3940), (1970, 3904), (2440, 3152)]