91640780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8501}}^1$

素因数の和:8535

約数の個数: 72

約数和(自身を含む): 244245456

約数和(自身を除く): 152604676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 8501, 10780, 17002, 34004, 42505, 59507, 85010, 93511, 119014, 170020, 187022, 238028, 297535, 374044, 416549, 467555, 595070, 654577, 833098, 935110, 1190140, 1309154, 1666196, 1870220, 2082745, 2618308, 3272885, 4165490, 4582039, 6545770, 8330980, 9164078, 13091540, 18328156, 22910195, 45820390, 91640780]

約数ペア:

[(1, 91640780), (2, 45820390), (4, 22910195), (5, 18328156), (7, 13091540), (10, 9164078), (11, 8330980), (14, 6545770), (20, 4582039), (22, 4165490), (28, 3272885), (35, 2618308), (44, 2082745), (49, 1870220), (55, 1666196), (70, 1309154), (77, 1190140), (98, 935110), (110, 833098), (140, 654577), (154, 595070), (196, 467555), (220, 416549), (245, 374044), (308, 297535), (385, 238028), (490, 187022), (539, 170020), (770, 119014), (980, 93511), (1078, 85010), (1540, 59507), (2156, 42505), (2695, 34004), (5390, 17002), (8501, 10780)]