279804715840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67260749}}^1$

素因数の和:67260779

約数の個数: 56

約数和(自身を含む): 717537681000

約数和(自身を除く): 437732965160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 67260749, 134521498, 269042996, 336303745, 538085992, 672607490, 874389737, 1076171984, 1345214980, 1748779474, 2152343968, 2690429960, 3497558948, 4304687936, 4371948685, 5380859920, 6995117896, 8743897370, 10761719840, 13990235792, 17487794740, 21523439680, 27980471584, 34975589480, 55960943168, 69951178960, 139902357920, 279804715840]

約数ペア:

[(1, 279804715840), (2, 139902357920), (4, 69951178960), (5, 55960943168), (8, 34975589480), (10, 27980471584), (13, 21523439680), (16, 17487794740), (20, 13990235792), (26, 10761719840), (32, 8743897370), (40, 6995117896), (52, 5380859920), (64, 4371948685), (65, 4304687936), (80, 3497558948), (104, 2690429960), (130, 2152343968), (160, 1748779474), (208, 1345214980), (260, 1076171984), (320, 874389737), (416, 672607490), (520, 538085992), (832, 336303745), (1040, 269042996), (2080, 134521498), (4160, 67260749)]