205722880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 566596800

約数和(自身を除く): 360873920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 380, 418, 440, 608, 640, 704, 760, 769, 836, 880, 1045, 1216, 1280, 1408, 1520, 1538, 1672, 1760, 2090, 2432, 2816, 3040, 3076, 3344, 3520, 3845, 4180, 4864, 6080, 6152, 6688, 7040, 7690, 8360, 8459, 12160, 12304, 13376, 14080, 14611, 15380, 16720, 16918, 24320, 24608, 26752, 29222, 30760, 33440, 33836, 42295, 49216, 53504, 58444, 61520, 66880, 67672, 73055, 84590, 98432, 116888, 123040, 133760, 135344, 146110, 160721, 169180, 196864, 233776, 246080, 267520, 270688, 292220, 321442, 338360, 467552, 492160, 541376, 584440, 642884, 676720, 803605, 935104, 984320, 1082752, 1168880, 1285768, 1353440, 1607210, 1870208, 2165504, 2337760, 2571536, 2706880, 3214420, 3740416, 4675520, 5143072, 5413760, 6428840, 9351040, 10286144, 10827520, 12857680, 18702080, 20572288, 25715360, 41144576, 51430720, 102861440, 205722880]

約数ペア:

[(1, 205722880), (2, 102861440), (4, 51430720), (5, 41144576), (8, 25715360), (10, 20572288), (11, 18702080), (16, 12857680), (19, 10827520), (20, 10286144), (22, 9351040), (32, 6428840), (38, 5413760), (40, 5143072), (44, 4675520), (55, 3740416), (64, 3214420), (76, 2706880), (80, 2571536), (88, 2337760), (95, 2165504), (110, 1870208), (128, 1607210), (152, 1353440), (160, 1285768), (176, 1168880), (190, 1082752), (209, 984320), (220, 935104), (256, 803605), (304, 676720), (320, 642884), (352, 584440), (380, 541376), (418, 492160), (440, 467552), (608, 338360), (640, 321442), (704, 292220), (760, 270688), (769, 267520), (836, 246080), (880, 233776), (1045, 196864), (1216, 169180), (1280, 160721), (1408, 146110), (1520, 135344), (1538, 133760), (1672, 123040), (1760, 116888), (2090, 98432), (2432, 84590), (2816, 73055), (3040, 67672), (3076, 66880), (3344, 61520), (3520, 58444), (3845, 53504), (4180, 49216), (4864, 42295), (6080, 33836), (6152, 33440), (6688, 30760), (7040, 29222), (7690, 26752), (8360, 24608), (8459, 24320), (12160, 16918), (12304, 16720), (13376, 15380), (14080, 14611)]