72108800

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 108

約数和(自身を含む): 188191080

約数和(自身を除く): 116082280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 475, 593, 608, 640, 760, 800, 950, 1186, 1216, 1280, 1520, 1600, 1900, 2372, 2432, 2965, 3040, 3200, 3800, 4744, 4864, 5930, 6080, 6400, 7600, 9488, 11267, 11860, 12160, 14825, 15200, 18976, 22534, 23720, 24320, 29650, 30400, 37952, 45068, 47440, 56335, 59300, 60800, 75904, 90136, 94880, 112670, 118600, 121600, 151808, 180272, 189760, 225340, 237200, 281675, 360544, 379520, 450680, 474400, 563350, 721088, 759040, 901360, 948800, 1126700, 1442176, 1802720, 1897600, 2253400, 2884352, 3605440, 3795200, 4506800, 7210880, 9013600, 14421760, 18027200, 36054400, 72108800]

約数ペア:

[(1, 72108800), (2, 36054400), (4, 18027200), (5, 14421760), (8, 9013600), (10, 7210880), (16, 4506800), (19, 3795200), (20, 3605440), (25, 2884352), (32, 2253400), (38, 1897600), (40, 1802720), (50, 1442176), (64, 1126700), (76, 948800), (80, 901360), (95, 759040), (100, 721088), (128, 563350), (152, 474400), (160, 450680), (190, 379520), (200, 360544), (256, 281675), (304, 237200), (320, 225340), (380, 189760), (400, 180272), (475, 151808), (593, 121600), (608, 118600), (640, 112670), (760, 94880), (800, 90136), (950, 75904), (1186, 60800), (1216, 59300), (1280, 56335), (1520, 47440), (1600, 45068), (1900, 37952), (2372, 30400), (2432, 29650), (2965, 24320), (3040, 23720), (3200, 22534), (3800, 18976), (4744, 15200), (4864, 14825), (5930, 12160), (6080, 11860), (6400, 11267), (7600, 9488)]