80678864

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1288

約数の個数: 80

約数和(自身を含む): 194273280

約数和(自身を除く): 113594416

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1223, 1736, 2128, 2356, 2446, 3472, 4123, 4712, 4892, 8246, 8561, 9424, 9784, 16492, 17122, 19568, 23237, 32984, 34244, 37913, 46474, 65968, 68488, 75826, 92948, 136976, 151652, 162659, 185896, 265391, 303304, 325318, 371792, 530782, 606608, 650636, 720347, 1061564, 1301272, 1440694, 2123128, 2602544, 2881388, 4246256, 5042429, 5762776, 10084858, 11525552, 20169716, 40339432, 80678864]

約数ペア:

[(1, 80678864), (2, 40339432), (4, 20169716), (7, 11525552), (8, 10084858), (14, 5762776), (16, 5042429), (19, 4246256), (28, 2881388), (31, 2602544), (38, 2123128), (56, 1440694), (62, 1301272), (76, 1061564), (112, 720347), (124, 650636), (133, 606608), (152, 530782), (217, 371792), (248, 325318), (266, 303304), (304, 265391), (434, 185896), (496, 162659), (532, 151652), (589, 136976), (868, 92948), (1064, 75826), (1178, 68488), (1223, 65968), (1736, 46474), (2128, 37913), (2356, 34244), (2446, 32984), (3472, 23237), (4123, 19568), (4712, 17122), (4892, 16492), (8246, 9784), (8561, 9424)]