128922880

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 315528192

約数和(自身を除く): 186605312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 2143, 3008, 3760, 4286, 6016, 7520, 8572, 10715, 12032, 15040, 17144, 21430, 30080, 34288, 42860, 60160, 68576, 85720, 100721, 137152, 171440, 201442, 274304, 342880, 402884, 503605, 548608, 685760, 805768, 1007210, 1371520, 1611536, 2014420, 2743040, 3223072, 4028840, 6446144, 8057680, 12892288, 16115360, 25784576, 32230720, 64461440, 128922880]

約数ペア:

[(1, 128922880), (2, 64461440), (4, 32230720), (5, 25784576), (8, 16115360), (10, 12892288), (16, 8057680), (20, 6446144), (32, 4028840), (40, 3223072), (47, 2743040), (64, 2014420), (80, 1611536), (94, 1371520), (128, 1007210), (160, 805768), (188, 685760), (235, 548608), (256, 503605), (320, 402884), (376, 342880), (470, 274304), (640, 201442), (752, 171440), (940, 137152), (1280, 100721), (1504, 85720), (1880, 68576), (2143, 60160), (3008, 42860), (3760, 34288), (4286, 30080), (6016, 21430), (7520, 17144), (8572, 15040), (10715, 12032)]