68908784

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 159989760

約数和(自身を除く): 91080976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 89, 112, 124, 178, 217, 223, 248, 356, 434, 446, 496, 623, 712, 868, 892, 1246, 1424, 1561, 1736, 1784, 2492, 2759, 3122, 3472, 3568, 4984, 5518, 6244, 6913, 9968, 11036, 12488, 13826, 19313, 19847, 22072, 24976, 27652, 38626, 39694, 44144, 48391, 55304, 77252, 79388, 96782, 110608, 138929, 154504, 158776, 193564, 277858, 309008, 317552, 387128, 555716, 615257, 774256, 1111432, 1230514, 2222864, 2461028, 4306799, 4922056, 8613598, 9844112, 17227196, 34454392, 68908784]

約数ペア:

[(1, 68908784), (2, 34454392), (4, 17227196), (7, 9844112), (8, 8613598), (14, 4922056), (16, 4306799), (28, 2461028), (31, 2222864), (56, 1230514), (62, 1111432), (89, 774256), (112, 615257), (124, 555716), (178, 387128), (217, 317552), (223, 309008), (248, 277858), (356, 193564), (434, 158776), (446, 154504), (496, 138929), (623, 110608), (712, 96782), (868, 79388), (892, 77252), (1246, 55304), (1424, 48391), (1561, 44144), (1736, 39694), (1784, 38626), (2492, 27652), (2759, 24976), (3122, 22072), (3472, 19847), (3568, 19313), (4984, 13826), (5518, 12488), (6244, 11036), (6913, 9968)]