77880800

素因数分解:

$2^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1540

約数の個数: 72

約数和(自身を含む): 193097016

約数和(自身を除く): 115216216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 67, 80, 100, 134, 160, 200, 268, 335, 400, 536, 670, 800, 1072, 1340, 1453, 1675, 2144, 2680, 2906, 3350, 5360, 5812, 6700, 7265, 10720, 11624, 13400, 14530, 23248, 26800, 29060, 36325, 46496, 53600, 58120, 72650, 97351, 116240, 145300, 194702, 232480, 290600, 389404, 486755, 581200, 778808, 973510, 1162400, 1557616, 1947020, 2433775, 3115232, 3894040, 4867550, 7788080, 9735100, 15576160, 19470200, 38940400, 77880800]

約数ペア:

[(1, 77880800), (2, 38940400), (4, 19470200), (5, 15576160), (8, 9735100), (10, 7788080), (16, 4867550), (20, 3894040), (25, 3115232), (32, 2433775), (40, 1947020), (50, 1557616), (67, 1162400), (80, 973510), (100, 778808), (134, 581200), (160, 486755), (200, 389404), (268, 290600), (335, 232480), (400, 194702), (536, 145300), (670, 116240), (800, 97351), (1072, 72650), (1340, 58120), (1453, 53600), (1675, 46496), (2144, 36325), (2680, 29060), (2906, 26800), (3350, 23248), (5360, 14530), (5812, 13400), (6700, 11624), (7265, 10720)]