77785280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5653}}^1$

素因数の和:5713

約数の個数: 56

約数和(自身を含む): 189567312

約数和(自身を除く): 111782032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5653, 6880, 11306, 13760, 22612, 28265, 45224, 56530, 90448, 113060, 180896, 226120, 243079, 361792, 452240, 486158, 904480, 972316, 1215395, 1808960, 1944632, 2430790, 3889264, 4861580, 7778528, 9723160, 15557056, 19446320, 38892640, 77785280]

約数ペア:

[(1, 77785280), (2, 38892640), (4, 19446320), (5, 15557056), (8, 9723160), (10, 7778528), (16, 4861580), (20, 3889264), (32, 2430790), (40, 1944632), (43, 1808960), (64, 1215395), (80, 972316), (86, 904480), (160, 486158), (172, 452240), (215, 361792), (320, 243079), (344, 226120), (430, 180896), (688, 113060), (860, 90448), (1376, 56530), (1720, 45224), (2752, 28265), (3440, 22612), (5653, 13760), (6880, 11306)]