68780152

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 156672000

約数和(自身を除く): 87891848

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 127, 133, 152, 254, 266, 508, 509, 532, 889, 1016, 1018, 1064, 1778, 2036, 2413, 3556, 3563, 4072, 4826, 7112, 7126, 9652, 9671, 14252, 16891, 19304, 19342, 28504, 33782, 38684, 64643, 67564, 67697, 77368, 129286, 135128, 135394, 258572, 270788, 452501, 517144, 541576, 905002, 1228217, 1810004, 2456434, 3620008, 4912868, 8597519, 9825736, 17195038, 34390076, 68780152]

約数ペア:

[(1, 68780152), (2, 34390076), (4, 17195038), (7, 9825736), (8, 8597519), (14, 4912868), (19, 3620008), (28, 2456434), (38, 1810004), (56, 1228217), (76, 905002), (127, 541576), (133, 517144), (152, 452501), (254, 270788), (266, 258572), (508, 135394), (509, 135128), (532, 129286), (889, 77368), (1016, 67697), (1018, 67564), (1064, 64643), (1778, 38684), (2036, 33782), (2413, 28504), (3556, 19342), (3563, 19304), (4072, 16891), (4826, 14252), (7112, 9671), (7126, 9652)]