69848320

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 168764904

約数和(自身を除く): 98916584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 277, 320, 394, 554, 640, 788, 985, 1108, 1280, 1385, 1576, 1970, 2216, 2770, 3152, 3940, 4432, 5540, 6304, 7880, 8864, 11080, 12608, 15760, 17728, 22160, 25216, 31520, 35456, 44320, 50432, 54569, 63040, 70912, 88640, 109138, 126080, 177280, 218276, 252160, 272845, 354560, 436552, 545690, 873104, 1091380, 1746208, 2182760, 3492416, 4365520, 6984832, 8731040, 13969664, 17462080, 34924160, 69848320]

約数ペア:

[(1, 69848320), (2, 34924160), (4, 17462080), (5, 13969664), (8, 8731040), (10, 6984832), (16, 4365520), (20, 3492416), (32, 2182760), (40, 1746208), (64, 1091380), (80, 873104), (128, 545690), (160, 436552), (197, 354560), (256, 272845), (277, 252160), (320, 218276), (394, 177280), (554, 126080), (640, 109138), (788, 88640), (985, 70912), (1108, 63040), (1280, 54569), (1385, 50432), (1576, 44320), (1970, 35456), (2216, 31520), (2770, 25216), (3152, 22160), (3940, 17728), (4432, 15760), (5540, 12608), (6304, 11080), (7880, 8864)]