78768640

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 80

約数和(自身を含む): 195556680

約数和(自身を除く): 116788040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1061, 1160, 1280, 1856, 2122, 2320, 2560, 3712, 4244, 4640, 5305, 7424, 8488, 9280, 10610, 14848, 16976, 18560, 21220, 30769, 33952, 37120, 42440, 61538, 67904, 74240, 84880, 123076, 135808, 153845, 169760, 246152, 271616, 307690, 339520, 492304, 543232, 615380, 679040, 984608, 1230760, 1358080, 1969216, 2461520, 2716160, 3938432, 4923040, 7876864, 9846080, 15753728, 19692160, 39384320, 78768640]

約数ペア:

[(1, 78768640), (2, 39384320), (4, 19692160), (5, 15753728), (8, 9846080), (10, 7876864), (16, 4923040), (20, 3938432), (29, 2716160), (32, 2461520), (40, 1969216), (58, 1358080), (64, 1230760), (80, 984608), (116, 679040), (128, 615380), (145, 543232), (160, 492304), (232, 339520), (256, 307690), (290, 271616), (320, 246152), (464, 169760), (512, 153845), (580, 135808), (640, 123076), (928, 84880), (1061, 74240), (1160, 67904), (1280, 61538), (1856, 42440), (2122, 37120), (2320, 33952), (2560, 30769), (3712, 21220), (4244, 18560), (4640, 16976), (5305, 14848), (7424, 10610), (8488, 9280)]