77137760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9839}}^1$

素因数の和:9868

約数の個数: 72

約数和(自身を含む): 212012640

約数和(自身を除く): 134874880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9839, 19678, 39356, 49195, 68873, 78712, 98390, 137746, 157424, 196780, 275492, 314848, 344365, 393560, 482111, 550984, 688730, 787120, 964222, 1101968, 1377460, 1574240, 1928444, 2203936, 2410555, 2754920, 3856888, 4821110, 5509840, 7713776, 9642220, 11019680, 15427552, 19284440, 38568880, 77137760]

約数ペア:

[(1, 77137760), (2, 38568880), (4, 19284440), (5, 15427552), (7, 11019680), (8, 9642220), (10, 7713776), (14, 5509840), (16, 4821110), (20, 3856888), (28, 2754920), (32, 2410555), (35, 2203936), (40, 1928444), (49, 1574240), (56, 1377460), (70, 1101968), (80, 964222), (98, 787120), (112, 688730), (140, 550984), (160, 482111), (196, 393560), (224, 344365), (245, 314848), (280, 275492), (392, 196780), (490, 157424), (560, 137746), (784, 98390), (980, 78712), (1120, 68873), (1568, 49195), (1960, 39356), (3920, 19678), (7840, 9839)]