16681280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:712

約数の個数: 112

約数和(自身を含む): 49597056

約数和(自身を除く): 32915776

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 677, 704, 770, 880, 1120, 1232, 1354, 1540, 1760, 2240, 2464, 2708, 3080, 3385, 3520, 4739, 4928, 5416, 6160, 6770, 7447, 9478, 10832, 12320, 13540, 14894, 18956, 21664, 23695, 24640, 27080, 29788, 37235, 37912, 43328, 47390, 52129, 54160, 59576, 74470, 75824, 94780, 104258, 108320, 119152, 148940, 151648, 189560, 208516, 216640, 238304, 260645, 297880, 303296, 379120, 417032, 476608, 521290, 595760, 758240, 834064, 1042580, 1191520, 1516480, 1668128, 2085160, 2383040, 3336256, 4170320, 8340640, 16681280]

約数ペア:

[(1, 16681280), (2, 8340640), (4, 4170320), (5, 3336256), (7, 2383040), (8, 2085160), (10, 1668128), (11, 1516480), (14, 1191520), (16, 1042580), (20, 834064), (22, 758240), (28, 595760), (32, 521290), (35, 476608), (40, 417032), (44, 379120), (55, 303296), (56, 297880), (64, 260645), (70, 238304), (77, 216640), (80, 208516), (88, 189560), (110, 151648), (112, 148940), (140, 119152), (154, 108320), (160, 104258), (176, 94780), (220, 75824), (224, 74470), (280, 59576), (308, 54160), (320, 52129), (352, 47390), (385, 43328), (440, 37912), (448, 37235), (560, 29788), (616, 27080), (677, 24640), (704, 23695), (770, 21664), (880, 18956), (1120, 14894), (1232, 13540), (1354, 12320), (1540, 10832), (1760, 9478), (2240, 7447), (2464, 6770), (2708, 6160), (3080, 5416), (3385, 4928), (3520, 4739)]