31784800

素因数分解:

$2^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 78885576

約数和(自身を除く): 47100776

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, 593, 670, 800, 1072, 1186, 1340, 1675, 2144, 2372, 2680, 2965, 3350, 4744, 5360, 5930, 6700, 9488, 10720, 11860, 13400, 14825, 18976, 23720, 26800, 29650, 39731, 47440, 53600, 59300, 79462, 94880, 118600, 158924, 198655, 237200, 317848, 397310, 474400, 635696, 794620, 993275, 1271392, 1589240, 1986550, 3178480, 3973100, 6356960, 7946200, 15892400, 31784800]

約数ペア:

[(1, 31784800), (2, 15892400), (4, 7946200), (5, 6356960), (8, 3973100), (10, 3178480), (16, 1986550), (20, 1589240), (25, 1271392), (32, 993275), (40, 794620), (50, 635696), (67, 474400), (80, 397310), (100, 317848), (134, 237200), (160, 198655), (200, 158924), (268, 118600), (335, 94880), (400, 79462), (536, 59300), (593, 53600), (670, 47440), (800, 39731), (1072, 29650), (1186, 26800), (1340, 23720), (1675, 18976), (2144, 14825), (2372, 13400), (2680, 11860), (2965, 10720), (3350, 9488), (4744, 6700), (5360, 5930)]