259980800

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1116

約数の個数: 120

約数和(自身を含む): 678658200

約数和(自身を除く): 418677400

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, 512, 608, 640, 760, 800, 950, 1069, 1216, 1280, 1520, 1600, 1900, 2138, 2432, 2560, 3040, 3200, 3800, 4276, 4864, 5345, 6080, 6400, 7600, 8552, 9728, 10690, 12160, 12800, 15200, 17104, 20311, 21380, 24320, 26725, 30400, 34208, 40622, 42760, 48640, 53450, 60800, 68416, 81244, 85520, 101555, 106900, 121600, 136832, 162488, 171040, 203110, 213800, 243200, 273664, 324976, 342080, 406220, 427600, 507775, 547328, 649952, 684160, 812440, 855200, 1015550, 1299904, 1368320, 1624880, 1710400, 2031100, 2599808, 2736640, 3249760, 3420800, 4062200, 5199616, 6499520, 6841600, 8124400, 10399232, 12999040, 13683200, 16248800, 25998080, 32497600, 51996160, 64995200, 129990400, 259980800]

約数ペア:

[(1, 259980800), (2, 129990400), (4, 64995200), (5, 51996160), (8, 32497600), (10, 25998080), (16, 16248800), (19, 13683200), (20, 12999040), (25, 10399232), (32, 8124400), (38, 6841600), (40, 6499520), (50, 5199616), (64, 4062200), (76, 3420800), (80, 3249760), (95, 2736640), (100, 2599808), (128, 2031100), (152, 1710400), (160, 1624880), (190, 1368320), (200, 1299904), (256, 1015550), (304, 855200), (320, 812440), (380, 684160), (400, 649952), (475, 547328), (512, 507775), (608, 427600), (640, 406220), (760, 342080), (800, 324976), (950, 273664), (1069, 243200), (1216, 213800), (1280, 203110), (1520, 171040), (1600, 162488), (1900, 136832), (2138, 121600), (2432, 106900), (2560, 101555), (3040, 85520), (3200, 81244), (3800, 68416), (4276, 60800), (4864, 53450), (5345, 48640), (6080, 42760), (6400, 40622), (7600, 34208), (8552, 30400), (9728, 26725), (10690, 24320), (12160, 21380), (12800, 20311), (15200, 17104)]