80354560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 226638720

約数和(自身を除く): 146284160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 439, 440, 520, 572, 640, 704, 715, 832, 878, 880, 1040, 1144, 1280, 1408, 1430, 1664, 1756, 1760, 2080, 2195, 2288, 2816, 2860, 3328, 3512, 3520, 4160, 4390, 4576, 4829, 5707, 5720, 7024, 7040, 8320, 8780, 9152, 9658, 11414, 11440, 14048, 14080, 16640, 17560, 18304, 19316, 22828, 22880, 24145, 28096, 28535, 35120, 36608, 38632, 45656, 45760, 48290, 56192, 57070, 62777, 70240, 77264, 91312, 91520, 96580, 112384, 114140, 125554, 140480, 154528, 182624, 183040, 193160, 228280, 251108, 280960, 309056, 313885, 365248, 386320, 456560, 502216, 561920, 618112, 627770, 730496, 772640, 913120, 1004432, 1236224, 1255540, 1460992, 1545280, 1826240, 2008864, 2511080, 3090560, 3652480, 4017728, 5022160, 6181120, 7304960, 8035456, 10044320, 16070912, 20088640, 40177280, 80354560]

約数ペア:

[(1, 80354560), (2, 40177280), (4, 20088640), (5, 16070912), (8, 10044320), (10, 8035456), (11, 7304960), (13, 6181120), (16, 5022160), (20, 4017728), (22, 3652480), (26, 3090560), (32, 2511080), (40, 2008864), (44, 1826240), (52, 1545280), (55, 1460992), (64, 1255540), (65, 1236224), (80, 1004432), (88, 913120), (104, 772640), (110, 730496), (128, 627770), (130, 618112), (143, 561920), (160, 502216), (176, 456560), (208, 386320), (220, 365248), (256, 313885), (260, 309056), (286, 280960), (320, 251108), (352, 228280), (416, 193160), (439, 183040), (440, 182624), (520, 154528), (572, 140480), (640, 125554), (704, 114140), (715, 112384), (832, 96580), (878, 91520), (880, 91312), (1040, 77264), (1144, 70240), (1280, 62777), (1408, 57070), (1430, 56192), (1664, 48290), (1756, 45760), (1760, 45656), (2080, 38632), (2195, 36608), (2288, 35120), (2816, 28535), (2860, 28096), (3328, 24145), (3512, 22880), (3520, 22828), (4160, 19316), (4390, 18304), (4576, 17560), (4829, 16640), (5707, 14080), (5720, 14048), (7024, 11440), (7040, 11414), (8320, 9658), (8780, 9152)]